001: /*
002: * Copyright (c) 2001-2007, Jean Tessier
003: * All rights reserved.
004: *
005: * Redistribution and use in source and binary forms, with or without
006: * modification, are permitted provided that the following conditions
007: * are met:
008: *
009: * * Redistributions of source code must retain the above copyright
010: * notice, this list of conditions and the following disclaimer.
011: *
012: * * Redistributions in binary form must reproduce the above copyright
013: * notice, this list of conditions and the following disclaimer in the
014: * documentation and/or other materials provided with the distribution.
015: *
016: * * Neither the name of Jean Tessier nor the names of his contributors
017: * may be used to endorse or promote products derived from this software
018: * without specific prior written permission.
019: *
020: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
021: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
022: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
023: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
024: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
025: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
026: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
027: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
028: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
029: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
030: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031: */
032:
033: package com.jeantessier.dependencyfinder.cli;
034:
035: import com.jeantessier.classreader.*;
036: import com.jeantessier.commandline.*;
037: import com.jeantessier.diff.*;
038: import org.apache.log4j.*;
039:
040: public class ClassClassDiff extends DiffCommand {
041: public ClassClassDiff() throws CommandLineException {
042: super ("ClassClassDiff");
043: }
044:
045: public void doProcessing() throws Exception {
046: // Collecting data, first classfiles from JARs,
047: // then package/class trees using NodeFactory.
048:
049: ClassfileLoader oldJar = new AggregatingClassfileLoader();
050: oldJar.addLoadListener(getVerboseListener());
051: oldJar.load(getCommandLine().getMultipleSwitch("old"));
052:
053: ClassfileLoader newJar = new AggregatingClassfileLoader();
054: newJar.addLoadListener(getVerboseListener());
055: newJar.load(getCommandLine().getMultipleSwitch("new"));
056:
057: DifferenceStrategy baseStrategy = getBaseStrategy(getCommandLine()
058: .getToggleSwitch("code"));
059: DifferenceStrategy strategy = getStrategy(getCommandLine()
060: .getSingleSwitch("level"), baseStrategy);
061:
062: if (getCommandLine().isPresent("filter")) {
063: strategy = new ListBasedDifferenceStrategy(strategy,
064: getCommandLine().getSingleSwitch("filter"));
065: }
066:
067: // Starting to compare, first at class level,
068: // then descending to feature level.
069:
070: Logger.getLogger(getClass()).info("Comparing ...");
071: getVerboseListener().print("Comparing ...");
072:
073: String name = getCommandLine().getSingleSwitch("name");
074: String oldLabel = getCommandLine().isPresent("old-label") ? getCommandLine()
075: .getSingleSwitch("old-label")
076: : getCommandLine().getMultipleSwitch("old").toString();
077: String newLabel = getCommandLine().isPresent("new-label") ? getCommandLine()
078: .getSingleSwitch("new-label")
079: : getCommandLine().getMultipleSwitch("new").toString();
080:
081: Classfile oldClass = oldJar.getAllClassfiles().iterator()
082: .next();
083: Classfile newClass = newJar.getAllClassfiles().iterator()
084: .next();
085:
086: DifferencesFactory factory = new DifferencesFactory(strategy);
087: Differences differences = factory.createClassDifferences(name,
088: oldClass, newClass);
089:
090: Logger.getLogger(getClass()).info("Printing results ...");
091: getVerboseListener().print("Printing results ...");
092:
093: Report report = new Report(getCommandLine().getSingleSwitch(
094: "encoding"), getCommandLine().getSingleSwitch(
095: "dtd-prefix"));
096: if (getCommandLine().isPresent("indent-text")) {
097: report.setIndentText(getCommandLine().getSingleSwitch(
098: "indent-text"));
099: }
100: report.setName(name);
101: report.setOldVersion(oldLabel);
102: report.setNewVersion(newLabel);
103:
104: differences.accept(report);
105: out.print(report);
106: }
107:
108: public static void main(String[] args) throws Exception {
109: new ClassClassDiff().run(args);
110: }
111: }
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