Initial revision
git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@112724 13f79535-47bb-0310-9956-ffa450edef68
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/* Copyrights and Licenses
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*
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* This product includes Hypersonic SQL.
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* Originally developed by Thomas Mueller and the Hypersonic SQL Group.
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*
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* Copyright (c) 1995-2000 by the Hypersonic SQL Group. All rights reserved.
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice, this list of conditions
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* and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* - All advertising materials mentioning features or use of this software must display the
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* following acknowledgment: "This product includes Hypersonic SQL."
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* - Products derived from this software may not be called "Hypersonic SQL" nor may
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* "Hypersonic SQL" appear in their names without prior written permission of the
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* Hypersonic SQL Group.
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* - Redistributions of any form whatsoever must retain the following acknowledgment: "This
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* product includes Hypersonic SQL."
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* This software is provided "as is" and any expressed or implied warranties, including, but
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* not limited to, the implied warranties of merchantability and fitness for a particular purpose are
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* disclaimed. In no event shall the Hypersonic SQL Group or its contributors be liable for any
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* direct, indirect, incidental, special, exemplary, or consequential damages (including, but
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* not limited to, procurement of substitute goods or services; loss of use, data, or profits;
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* or business interruption). However caused any on any theory of liability, whether in contract,
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* strict liability, or tort (including negligence or otherwise) arising in any way out of the use of this
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* software, even if advised of the possibility of such damage.
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* This software consists of voluntary contributions made by many individuals on behalf of the
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* Hypersonic SQL Group.
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*
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*
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* For work added by the HSQL Development Group:
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*
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* Copyright (c) 2001-2002, The HSQL Development Group
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer, including earlier
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* license statements (above) and comply with all above license conditions.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution, including earlier
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* license statements (above) and comply with all above license conditions.
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*
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* Neither the name of the HSQL Development Group nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.apache.maven.codeswitcher;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.LineNumberReader;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Iterator;
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import org.apache.commons.lang.StringUtils;
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import org.apache.tools.ant.DirectoryScanner;
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/**
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* changes the source code to support different JDK or profile settings
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*
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* @version 1.7.0
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*/
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public class CodeSwitcher
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{
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private final static String ls = System.getProperty("line.separator", "\n");
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private List onSwitches;
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private List offSwitches;
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private List switches;
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private final static int MAX_LINELENGTH = 82;
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private String[] files;
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/**
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* Constructor declaration
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*/
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public CodeSwitcher()
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{
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onSwitches = new ArrayList();
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offSwitches = new ArrayList();
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switches = new ArrayList();
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}
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/**
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* Method declaration
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*
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* @param a
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*/
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public void execute()
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{
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System.out.println("On Switches");
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System.out.println(onSwitches);
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System.out.println("Off Switches");
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System.out.println(offSwitches);
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process();
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}
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/**
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* Set the on switches
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*/
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public void setOnSwitches(String onSwitchesCSV)
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{
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String[] onSwitchesArray = StringUtils.split(onSwitchesCSV, ",");
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for (int i = 0; i < onSwitchesArray.length; i++)
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{
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onSwitches.add(onSwitchesArray[i]);
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}
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}
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/**
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* Set the off switches
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*/
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public void setOffSwitches(String offSwitchesCSV)
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{
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String[] offSwitchesArray = StringUtils.split(offSwitchesCSV, ",");
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for (int i = 0; i < offSwitchesArray.length; i++)
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{
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offSwitches.add(offSwitchesArray[i]);
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}
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}
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/**
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* Set the directory of sources to preprocess
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*/
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public void setDirectory(String directory)
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{
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// Grab all the java source files in the listed
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// directory.
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files = getFiles(new File(directory), "**/*.java");
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}
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/**
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* Method declaration
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*/
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private void process()
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{
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for (int i = 0; i < files.length; i++)
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{
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System.out.print(".");
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String file = files[i];
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if (!processFile(file))
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{
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System.out.println("in file " + file + " !");
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}
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}
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System.out.println("");
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}
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/**
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* Method declaration
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*
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* @param s
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* @return
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*/
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private boolean isLongline(String s)
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{
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char c = s.charAt(s.length() - 1);
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if (",(+-&|".indexOf(c) >= 0)
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{
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return true;
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}
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return false;
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}
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/**
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* Method declaration
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*
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* @param name
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* @return
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*/
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private boolean processFile(String name)
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{
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File f = new File(name);
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File fnew = new File(name + ".new");
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int state = 0;// 0=normal 1=inside_if 2=inside_else
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boolean switchoff = false;
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boolean working = false;
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try
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{
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LineNumberReader read = new LineNumberReader(new FileReader(f));
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FileWriter write = new FileWriter(fnew);
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while (true)
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{
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String line = read.readLine();
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if (line == null)
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{
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break;
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}
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if (working)
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{
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if (line.equals("/*") || line.equals("*/"))
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{
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continue;
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}
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}
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if (!line.startsWith("//#"))
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{
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write.write(line + ls);
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}
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else
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{
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if (line.startsWith("//#ifdef "))
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{
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if (state != 0)
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{
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printError(
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"'#ifdef' not allowed inside '#ifdef'");
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return false;
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}
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write.write(line + ls);
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state = 1;
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String s = line.substring(9);
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if (onSwitches.indexOf(s) != -1)
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{
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working = true;
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switchoff = false;
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}
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else if (offSwitches.indexOf(s) != -1)
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{
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working = true;
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write.write("/*" + ls);
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switchoff = true;
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}
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if (switches.indexOf(s) == -1)
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{
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switches.add(s);
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}
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}
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else if (line.startsWith("//#else"))
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{
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if (state != 1)
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{
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printError("'#else' without '#ifdef'");
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return false;
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}
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state = 2;
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if (!working)
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{
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write.write(line + ls);
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}
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else if (switchoff)
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{
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write.write("*/" + ls);
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write.write(line + ls);
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switchoff = false;
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}
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else
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{
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write.write(line + ls);
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write.write("/*" + ls);
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switchoff = true;
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}
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}
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else if (line.startsWith("//#endif"))
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{
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if (state == 0)
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{
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printError("'#endif' without '#ifdef'");
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return false;
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}
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state = 0;
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if (working && switchoff)
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{
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write.write("*/" + ls);
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}
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write.write(line + ls);
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working = false;
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}
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else
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{
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write.write(line + ls);
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}
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}
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}
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if (state != 0)
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{
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printError("'#endif' missing");
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return false;
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}
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read.close();
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write.flush();
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write.close();
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File fbak = new File(name + ".bak");
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fbak.delete();
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f.renameTo(fbak);
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File fcopy = new File(name);
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fnew.renameTo(fcopy);
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fbak.delete();
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return true;
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}
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catch (Exception e)
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{
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printError(e.getMessage());
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return false;
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}
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}
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/**
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* Method declaration
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*
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* @param name
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* @return
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*/
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int testFile(String name)
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{
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File f = new File(name);
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try
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{
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LineNumberReader read = new LineNumberReader(new FileReader(f));
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int l = 1;
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int
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maxline = 0;
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boolean longline = false;
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while (true)
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{
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String line = read.readLine();
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if (line == null)
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{
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break;
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}
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if (line.length() > MAX_LINELENGTH
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&& !line.startsWith("org.hsqldb.test.Profile."))
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{
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System.out.println("long line in " + name + " at line "
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+ l);
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}
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if (line.startsWith(" "))
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{
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int spaces = 0;
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for (; spaces < line.length(); spaces++)
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{
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if (line.charAt(spaces) != ' ')
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{
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break;
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}
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}
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if (spaces > 3 && testLine(line) && !longline)
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{
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maxline++;
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}
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else if (isLongline(line))
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{
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longline = true;
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}
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else
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{
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longline = false;
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}
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String s = line.substring(spaces);
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if (s.startsWith("if("))
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{
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if (!s.endsWith(" {"))
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{
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System.out.println("if( without { in " + name
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+ " at line " + l);
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}
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}
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else if (s.startsWith("} else if("))
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{
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if (!s.endsWith(" {"))
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{
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System.out.println("} else if without { in "
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+ name + " at line " + l);
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}
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}
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else if (s.startsWith("while("))
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{
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if (!s.endsWith(" {"))
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{
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System.out.println("while( without { in " + name
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+ " at line " + l);
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}
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}
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else if (s.startsWith("switch("))
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{
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if (!s.endsWith(" {"))
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{
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System.out.println("switch( without { in " + name
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+ " at line " + l);
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}
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}
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else if (s.startsWith("do "))
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{
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if (!s.endsWith(" {"))
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{
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System.out.println("do without { in " + name
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+ " at line " + l);
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}
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}
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}
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l++;
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}
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read.close();
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return maxline;
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}
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catch (Exception e)
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{
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printError(e.getMessage());
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}
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return -1;
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}
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/**
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* Method declaration
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*
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* @param line
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* @return
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*/
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private boolean testLine(String line)
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{
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if (!line.endsWith(";"))
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{
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return false;
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}
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if (line.trim().startsWith("super("))
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{
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return false;
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}
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return true;
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}
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/**
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||||
* Method declaration
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||||
*
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||||
* @param error
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*/
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private void printError(String error)
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||||
{
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System.out.println("");
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System.out.println("ERROR: " + error);
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}
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||||
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/**
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* Get a set of files from a specifed directory with a set of includes.
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||||
*
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||||
* @param directory Directory to scan
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||||
* @param includes Comma separated list of includes
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* @return files
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||||
*/
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||||
public String[] getFiles(File directory, String includes)
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||||
{
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String[] includePatterns = null;
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||||
if (includes != null)
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||||
{
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includePatterns = StringUtils.split(includes, ",");
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}
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DirectoryScanner directoryScanner = new DirectoryScanner();
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directoryScanner.setBasedir(directory);
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directoryScanner.setIncludes(includePatterns);
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directoryScanner.scan();
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String[] files = directoryScanner.getIncludedFiles();
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||||
for (int i = 0; i < files.length; i++)
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||||
{
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files[i] = new File(directory, files[i]).getAbsolutePath();
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||||
}
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||||
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return files;
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||||
}
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||||
|
||||
}
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||||
Reference in new issue
Block a user