/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.admin.util;
import java.io.File;
import java.io.Reader;
import java.io.Writer;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.nio.charset.Charset;
import com.sun.enterprise.admin.util.TokenValue;
import com.sun.enterprise.admin.util.TokenValueSet;
/**
*/
public final class LineTokenReplacer {
private final TokenValue[] tokenArray;
private final String charsetName;
public LineTokenReplacer(TokenValueSet tokens) {
this(tokens, null);
}
/** Creates a new instance of TokenReplacer */
public LineTokenReplacer(TokenValueSet tokens, String charset) {
final Object[] tmp = tokens.toArray();
final int length = tmp.length;
this.tokenArray = new TokenValue[length];
System.arraycopy(tmp, 0, tokenArray, 0, length);
this.charsetName = charset;
}
public void replace(File inputFile, File outputFile) {
//Edge-cases
BufferedReader reader = null;
BufferedWriter writer = null;
try {
reader = new BufferedReader(new FileReader(inputFile));
if(charsetName!=null)
{
FileOutputStream outputStream = new FileOutputStream(outputFile);
Charset charset = Charset.forName(charsetName);
writer = new BufferedWriter(new OutputStreamWriter(outputStream, charset));
}
else
{
writer = new BufferedWriter(new FileWriter(outputFile));
}
String lineContents = null;
while((lineContents = reader.readLine()) != null) {
String modifiedLine = replaceLine(lineContents);
writer.write(modifiedLine);
writer.newLine();
}
}
catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
finally {
try {
if (reader != null)
reader.close();
if (writer != null)
writer.close();
}
catch(Exception e) {}
}
}
public void replace(String inputFileName, String outputFileName) {
this.replace(new File(inputFileName), new File(outputFileName));
}
private String replaceLine(String lineWithTokens) {
String tokenFreeString = lineWithTokens;
for (int i = 0 ; i < tokenArray.length ; i++) {
TokenValue aPair = tokenArray[i];
//System.out.println("To replace: " + aPair.delimitedToken);
//System.out.println("Value replace: " + aPair.value);
tokenFreeString = tokenFreeString.replace(aPair.delimitedToken,
aPair.value);
}
return ( tokenFreeString );
}
}