79 lines
3.0 KiB
Java
79 lines
3.0 KiB
Java
package the.bytecode.club.bytecodeviewer.util;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.commons.io.FilenameUtils;
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import org.apache.commons.lang3.StringUtils;
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/***************************************************************************
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* Bytecode Viewer (BCV) - Java & Android Reverse Engineering Suite *
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* Copyright (C) 2014 Kalen 'Konloch' Kinloch - http://bytecodeviewer.com *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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/**
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* Prevents name path collisions by allowing the same name to be used in multiple resource containers.
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*
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* @author Konloch
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*/
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public class LazyNameUtil
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{
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public static boolean SAME_NAME_JAR_WORKSPACE = false;
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private static final Map<String, SeqAndCount> nameMap = new HashMap<>();
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public static void reset() {
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nameMap.clear();
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}
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public static String applyNameChanges(String name)
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{
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if (nameMap.containsKey(name))
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{
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if (!SAME_NAME_JAR_WORKSPACE)
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SAME_NAME_JAR_WORKSPACE = true;
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SeqAndCount seqAndCount = nameMap.get(name);
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nameMap.put(name, seqAndCount.incrSeqAndCount());
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return FilenameUtils.removeExtension(name) + "#" + seqAndCount.getSeq() + "." + FilenameUtils.getExtension(name);
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}
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else
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{
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nameMap.put(name, SeqAndCount.init());
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}
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return name;
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}
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public static void removeName(String name)
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{
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if (StringUtils.isBlank(name))
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return;
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if (name.contains("#"))
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name = name.substring(0, name.indexOf("#")) + name.substring(name.indexOf("."));
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SeqAndCount seqAndCount = nameMap.get(name);
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if (seqAndCount == null)
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return;
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// sequence remain the same and decrease the count
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// still the count become 1
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if (seqAndCount.getCount() == 1)
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nameMap.remove(name);
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else
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nameMap.put(name, seqAndCount.decrCount());
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}
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}
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