webdriver 的CSV数据驱动

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1.获取CSV数据内容

public static Object[][] getFromCSV(String filename) {
  
    if (!(new File(filename)).exists()){
     return null;
    }
    Object[][] content;
    CSVReader reader;
    try {
     reader = new CSVReader(new FileReader(filename));
     Vector<String[]> vec = new Vector<String[]>();
     String[] nextLine;
     reader.readNext(); //skip title
     while ((nextLine = reader.readNext()) != null) {   
      vec.add(nextLine);   
     }
     content = new Object[vec.size()][];
     for (int i = 0; i < vec.size(); i++){
      content[i] = vec.get(i);
     }
     return content;
    } catch (Exception e) {
     System.out.println("Read CSV File:" + filename + "failed.");
     e.printStackTrace();  
    }
    return null;
  }

2.定义数据驱动

String file = "src/test/java/data/page/TaxIssueAnswerTest.csv";

  @DataProvider(name="CsvDataProvider")
  public Object[][] inputData(){
   return getFromCSV(file);
  }

3.使用数据驱动

@Test(dataProvider = "CsvDataProvider",description ="正常业务场景测试")
 public void answerIssue(String caseId, String description,String userName, String pwd){

//执行用例

}

4.图例文件路径

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附:CSV的读、写和解析

package com.xxx.testCase.base;

/**
 Copyright 2005 Bytecode Pty Ltd.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import java.io.BufferedReader;
import java.io.Closeable;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;

/**
 * A very simple CSV reader released under a commercial-friendly license.
 * 
 * @author Glen Smith
 * 
 */
public class CSVReader implements Closeable {

    private BufferedReader br;

    private boolean hasNext = true;

    private CSVParser parser;
    
    private int skipLines;

    private boolean linesSkiped;

    /**
     * The default line to start reading.
     */
    public static final int DEFAULT_SKIP_LINES = 0;

    /**
     * Constructs CSVReader using a comma for the separator.
     * 
     * @param reader
     *            the reader to an underlying CSV source.
     */
    public CSVReader(Reader reader) {
        this(reader, CSVParser.DEFAULT_SEPARATOR, CSVParser.DEFAULT_QUOTE_CHARACTER, CSVParser.DEFAULT_ESCAPE_CHARACTER);
    }

    /**
     * Constructs CSVReader with supplied separator.
     * 
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries.
     */
    public CSVReader(Reader reader, char separator) {
        this(reader, separator, CSVParser.DEFAULT_QUOTE_CHARACTER, CSVParser.DEFAULT_ESCAPE_CHARACTER);
    }

    /**
     * Constructs CSVReader with supplied separator and quote char.
     * 
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     */
    public CSVReader(Reader reader, char separator, char quotechar) {
        this(reader, separator, quotechar, CSVParser.DEFAULT_ESCAPE_CHARACTER, DEFAULT_SKIP_LINES, CSVParser.DEFAULT_STRICT_QUOTES);
    }

    /**
     * Constructs CSVReader with supplied separator, quote char and quote handling
     * behavior.
     *
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param strictQuotes
     *            sets if characters outside the quotes are ignored
     */
    public CSVReader(Reader reader, char separator, char quotechar, boolean strictQuotes) {
        this(reader, separator, quotechar, CSVParser.DEFAULT_ESCAPE_CHARACTER, DEFAULT_SKIP_LINES, strictQuotes);
    }

   /**
     * Constructs CSVReader with supplied separator and quote char.
     *
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param escape
     *            the character to use for escaping a separator or quote
     */

    public CSVReader(Reader reader, char separator,
			char quotechar, char escape) {
        this(reader, separator, quotechar, escape, DEFAULT_SKIP_LINES, CSVParser.DEFAULT_STRICT_QUOTES);
	}
    
    /**
     * Constructs CSVReader with supplied separator and quote char.
     * 
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param line
     *            the line number to skip for start reading 
     */
    public CSVReader(Reader reader, char separator, char quotechar, int line) {
        this(reader, separator, quotechar, CSVParser.DEFAULT_ESCAPE_CHARACTER, line, CSVParser.DEFAULT_STRICT_QUOTES);
    }

    /**
     * Constructs CSVReader with supplied separator and quote char.
     *
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param escape
     *            the character to use for escaping a separator or quote
     * @param line
     *            the line number to skip for start reading
     */
    public CSVReader(Reader reader, char separator, char quotechar, char escape, int line) {
        this(reader, separator, quotechar, escape, line, CSVParser.DEFAULT_STRICT_QUOTES);
    }
    
    /**
     * Constructs CSVReader with supplied separator and quote char.
     * 
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param escape
     *            the character to use for escaping a separator or quote
     * @param line
     *            the line number to skip for start reading
     * @param strictQuotes
     *            sets if characters outside the quotes are ignored
     */
    public CSVReader(Reader reader, char separator, char quotechar, char escape, int line, boolean strictQuotes) {
        this(reader, separator, quotechar, escape, line, strictQuotes, CSVParser.DEFAULT_IGNORE_LEADING_WHITESPACE);
    }

    /**
     * Constructs CSVReader with supplied separator and quote char.
     * 
     * @param reader
     *            the reader to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param escape
     *            the character to use for escaping a separator or quote
     * @param line
     *            the line number to skip for start reading
     * @param strictQuotes
     *            sets if characters outside the quotes are ignored
     * @param ignoreLeadingWhiteSpace
     *            it true, parser should ignore white space before a quote in a field
     */
    public CSVReader(Reader reader, char separator, char quotechar, char escape, int line, boolean strictQuotes, boolean ignoreLeadingWhiteSpace) {
        this.br = new BufferedReader(reader);
        this.parser = new CSVParser(separator, quotechar, escape, strictQuotes, ignoreLeadingWhiteSpace);
        this.skipLines = line;
    }

   /**
     * Reads the entire file into a List with each element being a String[] of
     * tokens.
     * 
     * @return a List of String[], with each String[] representing a line of the
     *         file.
     * 
     * @throws IOException
     *             if bad things happen during the read
     */
    public List<String[]> readAll() throws IOException {

        List<String[]> allElements = new ArrayList<String[]>();
        while (hasNext) {
            String[] nextLineAsTokens = readNext();
            if (nextLineAsTokens != null)
                allElements.add(nextLineAsTokens);
        }
        return allElements;

    }

    /**
     * Reads the next line from the buffer and converts to a string array.
     * 
     * @return a string array with each comma-separated element as a separate
     *         entry.
     * 
     * @throws IOException
     *             if bad things happen during the read
     */
    public String[] readNext() throws IOException {
    	
    	String[] result = null;
    	do {
    		String nextLine = getNextLine();
    		if (!hasNext) {
    			return result; // should throw if still pending?
    		}
    		String[] r = parser.parseLineMulti(nextLine);
    		if (r.length > 0) {
    			if (result == null) {
    				result = r;
    			} else {
    				String[] t = new String[result.length+r.length];
    				System.arraycopy(result, 0, t, 0, result.length);
    				System.arraycopy(r, 0, t, result.length, r.length);
    				result = t;
    			}
    		}
    	} while (parser.isPending());
    	return result;
    }

    /**
     * Reads the next line from the file.
     * 
     * @return the next line from the file without trailing newline
     * @throws IOException
     *             if bad things happen during the read
     */
    private String getNextLine() throws IOException {
    	if (!this.linesSkiped) {
            for (int i = 0; i < skipLines; i++) {
                br.readLine();
            }
            this.linesSkiped = true;
        }
        String nextLine = br.readLine();
        if (nextLine == null) {
            hasNext = false;
        }
        return hasNext ? nextLine : null;
    }

    /**
     * Closes the underlying reader.
     * 
     * @throws IOException if the close fails
     */
    public void close() throws IOException{
    	br.close();
    }
    
}

  

package com.xxx.testCase.base;

/**
 Copyright 2005 Bytecode Pty Ltd.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import java.io.Closeable;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

/**
 * A very simple CSV writer released under a commercial-friendly license.
 *
 * @author Glen Smith
 *
 */
public class CSVWriter implements Closeable {
    
    public static final int INITIAL_STRING_SIZE = 128;

	private Writer rawWriter;

    private PrintWriter pw;

    private char separator;

    private char quotechar;
    
    private char escapechar;
    
    private String lineEnd;

    /** The character used for escaping quotes. */
    public static final char DEFAULT_ESCAPE_CHARACTER = '"';

    /** The default separator to use if none is supplied to the constructor. */
    public static final char DEFAULT_SEPARATOR = ',';

    /**
     * The default quote character to use if none is supplied to the
     * constructor.
     */
    public static final char DEFAULT_QUOTE_CHARACTER = '"';
    
    /** The quote constant to use when you wish to suppress all quoting. */
    public static final char NO_QUOTE_CHARACTER = 'u0000';
    
    /** The escape constant to use when you wish to suppress all escaping. */
    public static final char NO_ESCAPE_CHARACTER = 'u0000';
    
    /** Default line terminator uses platform encoding. */
    public static final String DEFAULT_LINE_END = "
";

    private ResultSetHelper resultService = new ResultSetHelperService();
    
    /**
     * Constructs CSVWriter using a comma for the separator.
     *
     * @param writer
     *            the writer to an underlying CSV source.
     */
    public CSVWriter(Writer writer) {
        this(writer, DEFAULT_SEPARATOR);
    }

    /**
     * Constructs CSVWriter with supplied separator.
     *
     * @param writer
     *            the writer to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries.
     */
    public CSVWriter(Writer writer, char separator) {
        this(writer, separator, DEFAULT_QUOTE_CHARACTER);
    }

    /**
     * Constructs CSVWriter with supplied separator and quote char.
     *
     * @param writer
     *            the writer to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     */
    public CSVWriter(Writer writer, char separator, char quotechar) {
    	this(writer, separator, quotechar, DEFAULT_ESCAPE_CHARACTER);
    }

    /**
     * Constructs CSVWriter with supplied separator and quote char.
     *
     * @param writer
     *            the writer to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param escapechar
     *            the character to use for escaping quotechars or escapechars
     */
    public CSVWriter(Writer writer, char separator, char quotechar, char escapechar) {
        this(writer, separator, quotechar, escapechar, DEFAULT_LINE_END);
    }
    
    
    /**
     * Constructs CSVWriter with supplied separator and quote char.
     *
     * @param writer
     *            the writer to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param lineEnd
     * 			  the line feed terminator to use
     */
    public CSVWriter(Writer writer, char separator, char quotechar, String lineEnd) {
        this(writer, separator, quotechar, DEFAULT_ESCAPE_CHARACTER, lineEnd);
    }   
    
    
    
    /**
     * Constructs CSVWriter with supplied separator, quote char, escape char and line ending.
     *
     * @param writer
     *            the writer to an underlying CSV source.
     * @param separator
     *            the delimiter to use for separating entries
     * @param quotechar
     *            the character to use for quoted elements
     * @param escapechar
     *            the character to use for escaping quotechars or escapechars
     * @param lineEnd
     * 			  the line feed terminator to use
     */
    public CSVWriter(Writer writer, char separator, char quotechar, char escapechar, String lineEnd) {
        this.rawWriter = writer;
        this.pw = new PrintWriter(writer);
        this.separator = separator;
        this.quotechar = quotechar;
        this.escapechar = escapechar;
        this.lineEnd = lineEnd;
    }
    
    /**
     * Writes the entire list to a CSV file. The list is assumed to be a
     * String[]
     *
     * @param allLines
     *            a List of String[], with each String[] representing a line of
     *            the file.
     */
    public void writeAll(List<String[]> allLines)  {
    	for (String[] line : allLines) {
			writeNext(line);
		}
    }

    protected void writeColumnNames(ResultSet rs)
    	throws SQLException {

    	writeNext(resultService.getColumnNames(rs));
    }
    
    /**
     * Writes the entire ResultSet to a CSV file.
     *
     * The caller is responsible for closing the ResultSet.
     *
     * @param rs the recordset to write
     * @param includeColumnNames true if you want column names in the output, false otherwise
     *
     * @throws java.io.IOException thrown by getColumnValue
     * @throws java.sql.SQLException thrown by getColumnValue
     */
    public void writeAll(java.sql.ResultSet rs, boolean includeColumnNames)  throws SQLException, IOException {
    	
    	
    	if (includeColumnNames) {
			writeColumnNames(rs);
		}
    	
    	while (rs.next())
    	{
    		writeNext(resultService.getColumnValues(rs));
    	}
    }

    
    /**
     * Writes the next line to the file.
     *
     * @param nextLine
     *            a string array with each comma-separated element as a separate
     *            entry.
     */
    public void writeNext(String[] nextLine) {
    	
    	if (nextLine == null)
    		return;
    	
        StringBuilder sb = new StringBuilder(INITIAL_STRING_SIZE);
        for (int i = 0; i < nextLine.length; i++) {

            if (i != 0) {
                sb.append(separator);
            }

            String nextElement = nextLine[i];
            if (nextElement == null)
                continue;
            if (quotechar !=  NO_QUOTE_CHARACTER)
            	sb.append(quotechar);
            
            sb.append(stringContainsSpecialCharacters(nextElement) ? processLine(nextElement) : nextElement);

            if (quotechar != NO_QUOTE_CHARACTER)
            	sb.append(quotechar);
        }
        
        sb.append(lineEnd);
        pw.write(sb.toString());

    }

	private boolean stringContainsSpecialCharacters(String line) {
	    return line.indexOf(quotechar) != -1 || line.indexOf(escapechar) != -1;
    }

	protected StringBuilder processLine(String nextElement)
    {
		StringBuilder sb = new StringBuilder(INITIAL_STRING_SIZE);
	    for (int j = 0; j < nextElement.length(); j++) {
	        char nextChar = nextElement.charAt(j);
	        if (escapechar != NO_ESCAPE_CHARACTER && nextChar == quotechar) {
	        	sb.append(escapechar).append(nextChar);
	        } else if (escapechar != NO_ESCAPE_CHARACTER && nextChar == escapechar) {
	        	sb.append(escapechar).append(nextChar);
	        } else {
	            sb.append(nextChar);
	        }
	    }
	    
	    return sb;
    }

    /**
     * Flush underlying stream to writer.
     * 
     * @throws IOException if bad things happen
     */
    public void flush() throws IOException {

        pw.flush();

    } 

    /**
     * Close the underlying stream writer flushing any buffered content.
     *
     * @throws IOException if bad things happen
     *
     */
    public void close() throws IOException {
        flush();
        pw.close();
        rawWriter.close();
    }

    /**
     *  Checks to see if the there has been an error in the printstream. 
     */
    public boolean checkError() {
        return pw.checkError();
    }

    public void setResultService(ResultSetHelper resultService) {
        this.resultService = resultService;
    }

}

  

package com.xxx.testCase.base;

/**
 Copyright 2005 Bytecode Pty Ltd.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * A very simple CSV parser released under a commercial-friendly license.
 * This just implements splitting a single line into fields.
 *
 * @author Glen Smith
 * @author Rainer Pruy
 */
public class CSVParser {

    private final char separator;

    private final char quotechar;

    private final char escape;

    private final boolean strictQuotes;

    private String pending;
    private boolean inField = false;

    private final boolean ignoreLeadingWhiteSpace;

    /**
     * The default separator to use if none is supplied to the constructor.
     */
    public static final char DEFAULT_SEPARATOR = ',';

    public static final int INITIAL_READ_SIZE = 128;

    /**
     * The default quote character to use if none is supplied to the
     * constructor.
     */
    public static final char DEFAULT_QUOTE_CHARACTER = '"';


    /**
     * The default escape character to use if none is supplied to the
     * constructor.
     */
    public static final char DEFAULT_ESCAPE_CHARACTER = '\';

    /**
     * The default strict quote behavior to use if none is supplied to the
     * constructor
     */
    public static final boolean DEFAULT_STRICT_QUOTES = false;

    /**
     * The default leading whitespace behavior to use if none is supplied to the
     * constructor
     */
    public static final boolean DEFAULT_IGNORE_LEADING_WHITESPACE = true;

    /**
     * This is the "null" character - if a value is set to this then it is ignored.
     * I.E. if the quote character is set to null then there is no quote character.
     */
    public static final char NULL_CHARACTER = '';

    /**
     * Constructs CSVParser using a comma for the separator.
     */
    public CSVParser() {
        this(DEFAULT_SEPARATOR, DEFAULT_QUOTE_CHARACTER, DEFAULT_ESCAPE_CHARACTER);
    }

    /**
     * Constructs CSVParser with supplied separator.
     *
     * @param separator the delimiter to use for separating entries.
     */
    public CSVParser(char separator) {
        this(separator, DEFAULT_QUOTE_CHARACTER, DEFAULT_ESCAPE_CHARACTER);
    }


    /**
     * Constructs CSVParser with supplied separator and quote char.
     *
     * @param separator the delimiter to use for separating entries
     * @param quotechar the character to use for quoted elements
     */
    public CSVParser(char separator, char quotechar) {
        this(separator, quotechar, DEFAULT_ESCAPE_CHARACTER);
    }

    /**
     * Constructs CSVReader with supplied separator and quote char.
     *
     * @param separator the delimiter to use for separating entries
     * @param quotechar the character to use for quoted elements
     * @param escape    the character to use for escaping a separator or quote
     */
    public CSVParser(char separator, char quotechar, char escape) {
        this(separator, quotechar, escape, DEFAULT_STRICT_QUOTES);
    }

    /**
     * Constructs CSVReader with supplied separator and quote char.
     * Allows setting the "strict quotes" flag
     *
     * @param separator    the delimiter to use for separating entries
     * @param quotechar    the character to use for quoted elements
     * @param escape       the character to use for escaping a separator or quote
     * @param strictQuotes if true, characters outside the quotes are ignored
     */
    public CSVParser(char separator, char quotechar, char escape, boolean strictQuotes) {
        this(separator, quotechar, escape, strictQuotes, DEFAULT_IGNORE_LEADING_WHITESPACE);
    }

    /**
     * Constructs CSVReader with supplied separator and quote char.
     * Allows setting the "strict quotes" and "ignore leading whitespace" flags
     *
     * @param separator               the delimiter to use for separating entries
     * @param quotechar               the character to use for quoted elements
     * @param escape                  the character to use for escaping a separator or quote
     * @param strictQuotes            if true, characters outside the quotes are ignored
     * @param ignoreLeadingWhiteSpace if true, white space in front of a quote in a field is ignored
     */
    public CSVParser(char separator, char quotechar, char escape, boolean strictQuotes, boolean ignoreLeadingWhiteSpace) {
        if (anyCharactersAreTheSame(separator, quotechar, escape)) {
            throw new UnsupportedOperationException("The separator, quote, and escape characters must be different!");
        }
        if (separator == NULL_CHARACTER) {
            throw new UnsupportedOperationException("The separator character must be defined!");
        }
        this.separator = separator;
        this.quotechar = quotechar;
        this.escape = escape;
        this.strictQuotes = strictQuotes;
        this.ignoreLeadingWhiteSpace = ignoreLeadingWhiteSpace;
    }

    private boolean anyCharactersAreTheSame(char separator, char quotechar, char escape) {
        return isSameCharacter(separator, quotechar) || isSameCharacter(separator, escape) || isSameCharacter(quotechar, escape);
    }

    private boolean isSameCharacter(char c1, char c2) {
        return c1 != NULL_CHARACTER && c1 == c2;
    }

    /**
     * @return true if something was left over from last call(s)
     */
    public boolean isPending() {
        return pending != null;
    }

    public String[] parseLineMulti(String nextLine) throws IOException {
        return parseLine(nextLine, true);
    }

    public String[] parseLine(String nextLine) throws IOException {
        return parseLine(nextLine, false);
    }

    /**
     * Parses an incoming String and returns an array of elements.
     *
     * @param nextLine the string to parse
     * @param multi
     * @return the comma-tokenized list of elements, or null if nextLine is null
     * @throws IOException if bad things happen during the read
     */
    private String[] parseLine(String nextLine, boolean multi) throws IOException {

        if (!multi && pending != null) {
            pending = null;
        }

        if (nextLine == null) {
            if (pending != null) {
                String s = pending;
                pending = null;
                return new String[]{s};
            } else {
                return null;
            }
        }

        List<String> tokensOnThisLine = new ArrayList<String>();
        StringBuilder sb = new StringBuilder(INITIAL_READ_SIZE);
        boolean inQuotes = false;
        if (pending != null) {
            sb.append(pending);
            pending = null;
            inQuotes = true;
        }
        for (int i = 0; i < nextLine.length(); i++) {

            char c = nextLine.charAt(i);
            if (c == this.escape) {
                if (isNextCharacterEscapable(nextLine, inQuotes || inField, i)) {
                    sb.append(nextLine.charAt(i + 1));
                    i++;
                }
            } else if (c == quotechar) {
                if (isNextCharacterEscapedQuote(nextLine, inQuotes || inField, i)) {
                    sb.append(nextLine.charAt(i + 1));
                    i++;
                } else {
                    //inQuotes = !inQuotes;

                    // the tricky case of an embedded quote in the middle: a,bc"d"ef,g
                    if (!strictQuotes) {
                        if (i > 2 //not on the beginning of the line
                                && nextLine.charAt(i - 1) != this.separator //not at the beginning of an escape sequence
                                && nextLine.length() > (i + 1) &&
                                nextLine.charAt(i + 1) != this.separator //not at the	end of an escape sequence
                                ) {

                            if (ignoreLeadingWhiteSpace && sb.length() > 0 && isAllWhiteSpace(sb)) {
                                sb.setLength(0);  //discard white space leading up to quote
                            } else {
                                sb.append(c);
                                //continue;
                            }

                        }
                    }

                    inQuotes = !inQuotes;
                }
                inField = !inField;
            } else if (c == separator && !inQuotes) {
                tokensOnThisLine.add(sb.toString());
                sb.setLength(0); // start work on next token
                inField = false;
            } else {
                if (!strictQuotes || inQuotes) {
                    sb.append(c);
                    inField = true;
                }
            }
        }
        // line is done - check status
        if (inQuotes) {
            if (multi) {
                // continuing a quoted section, re-append newline
                sb.append("
");
                pending = sb.toString();
                sb = null; // this partial content is not to be added to field list yet
            } else {
                throw new IOException("Un-terminated quoted field at end of CSV line");
            }
        }
        if (sb != null) {
            tokensOnThisLine.add(sb.toString());
        }
        return tokensOnThisLine.toArray(new String[tokensOnThisLine.size()]);

    }

    /**
     * precondition: the current character is a quote or an escape
     *
     * @param nextLine the current line
     * @param inQuotes true if the current context is quoted
     * @param i        current index in line
     * @return true if the following character is a quote
     */
    private boolean isNextCharacterEscapedQuote(String nextLine, boolean inQuotes, int i) {
        return inQuotes  // we are in quotes, therefore there can be escaped quotes in here.
                && nextLine.length() > (i + 1)  // there is indeed another character to check.
                && nextLine.charAt(i + 1) == quotechar;
    }

    /**
     * precondition: the current character is an escape
     *
     * @param nextLine the current line
     * @param inQuotes true if the current context is quoted
     * @param i        current index in line
     * @return true if the following character is a quote
     */
    protected boolean isNextCharacterEscapable(String nextLine, boolean inQuotes, int i) {
        return inQuotes  // we are in quotes, therefore there can be escaped quotes in here.
                && nextLine.length() > (i + 1)  // there is indeed another character to check.
                && (nextLine.charAt(i + 1) == quotechar || nextLine.charAt(i + 1) == this.escape);
    }

    /**
     * precondition: sb.length() > 0
     *
     * @param sb A sequence of characters to examine
     * @return true if every character in the sequence is whitespace
     */
    protected boolean isAllWhiteSpace(CharSequence sb) {
        boolean result = true;
        for (int i = 0; i < sb.length(); i++) {
            char c = sb.charAt(i);

            if (!Character.isWhitespace(c)) {
                return false;
            }
        }
        return result;
    }
}

  

package com.xxx.testCase.base;
/**
 Copyright 2005 Bytecode Pty Ltd.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

import java.io.IOException;
import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * 
 * 
 * 
 * 
 * 
 */
public interface ResultSetHelper {
    public String[] getColumnNames(ResultSet rs) throws SQLException;

    public String[] getColumnValues(ResultSet rs) throws SQLException, IOException;
}

  

package com.xxx.testCase.base;
/**
 Copyright 2005 Bytecode Pty Ltd.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
import java.io.IOException;
import java.io.Reader;
import java.math.BigDecimal;
import java.sql.*;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;

/**
 * 
 * 
 *  helper class for processing JDBC ResultSet objects
 * 
 * 
 */
public class ResultSetHelperService implements ResultSetHelper {
    public static final int CLOBBUFFERSIZE = 2048;
    
    // note: we want to maintain compatibility with Java 5 VM's
    // These types don't exist in Java 5
	private static final int NVARCHAR = -9;
	private static final int NCHAR = -15; 
	private static final int LONGNVARCHAR = -16;
	private static final int NCLOB = 2011;

    public String[] getColumnNames(ResultSet rs) throws SQLException {
        List<String> names = new ArrayList<String>();
        ResultSetMetaData metadata = rs.getMetaData();

        for (int i = 0; i < metadata.getColumnCount(); i++) {
            names.add(metadata.getColumnName(i+1));
        }

        String[] nameArray = new String[names.size()];
        return names.toArray(nameArray);
    }

    public String[] getColumnValues(ResultSet rs) throws SQLException, IOException {

        List<String> values = new ArrayList<String>();
        ResultSetMetaData metadata = rs.getMetaData();

        for (int i = 0; i < metadata.getColumnCount(); i++) {
            values.add(getColumnValue(rs, metadata.getColumnType(i + 1), i + 1));
        }

        String[] valueArray = new String[values.size()];
        return values.toArray(valueArray);
    }

    private String handleObject(Object obj){
        return obj == null ? "" : String.valueOf(obj);
    }

    private String handleBigDecimal(BigDecimal decimal) {
        return decimal == null ? "" : decimal.toString();
    }

    private String handleLong(ResultSet rs, int columnIndex) throws SQLException {
        long lv = rs.getLong(columnIndex);
        return rs.wasNull() ? "" : Long.toString(lv);
    }

    private String handleInteger(ResultSet rs, int columnIndex) throws SQLException {
        int i = rs.getInt(columnIndex);
        return rs.wasNull() ? "" : Integer.toString(i);
    }

    private String handleDate(ResultSet rs, int columnIndex) throws SQLException {
        java.sql.Date date = rs.getDate(columnIndex);
        String value = null;
        if (date != null) {
            SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MMM-yyyy");
            value =  dateFormat.format(date);
        }
        return value;
    }

    private String handleTime(Time time) {
        return time == null ? null : time.toString();
    }

    private String handleTimestamp(Timestamp timestamp) {
        SimpleDateFormat timeFormat = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss");
        return timestamp == null ? null : timeFormat.format(timestamp);
    }

    private String getColumnValue(ResultSet rs, int colType, int colIndex)
    		throws SQLException, IOException {

    	String value = "";

		switch (colType)
		{
			case Types.BIT:
            case Types.JAVA_OBJECT:
				value = handleObject(rs.getObject(colIndex));
			    break;
			case Types.BOOLEAN:
				boolean b = rs.getBoolean(colIndex);
				value = Boolean.valueOf(b).toString();
			    break;
			case NCLOB: // todo : use rs.getNClob
			case Types.CLOB:
				Clob c = rs.getClob(colIndex);
				if (c != null) {
					value = read(c);
				}
			    break;
			case Types.BIGINT:
				value = handleLong(rs, colIndex);
				break;
			case Types.DECIMAL:
			case Types.DOUBLE:
			case Types.FLOAT:
			case Types.REAL:
			case Types.NUMERIC:
				value = handleBigDecimal(rs.getBigDecimal(colIndex));
			    break;
			case Types.INTEGER:
			case Types.TINYINT:
			case Types.SMALLINT:
                value = handleInteger(rs, colIndex);
			    break;
			case Types.DATE:
				value = handleDate(rs, colIndex);
			    break;
			case Types.TIME:
				value = handleTime(rs.getTime(colIndex));
			    break;
			case Types.TIMESTAMP:
				value = handleTimestamp(rs.getTimestamp(colIndex));
			    break;
			case NVARCHAR: // todo : use rs.getNString
			case NCHAR: // todo : use rs.getNString
			case LONGNVARCHAR: // todo : use rs.getNString
			case Types.LONGVARCHAR:
			case Types.VARCHAR:
			case Types.CHAR:
				value = rs.getString(colIndex);
			    break;
			default:
				value = "";
		}


		if (value == null)
		{
			value = "";
		}

		return value;

    }

    private static String read(Clob c) throws SQLException, IOException
	{
		StringBuilder sb = new StringBuilder( (int) c.length());
		Reader r = c.getCharacterStream();
		char[] cbuf = new char[CLOBBUFFERSIZE];
		int n;
		while ((n = r.read(cbuf, 0, cbuf.length)) != -1) {
				sb.append(cbuf, 0, n);
		}
		return sb.toString();
	}
}

  

原文地址:https://www.cnblogs.com/joewu/p/3699628.html