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/*******************************************************************************
* Copyright (c) 2011, 2013 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core.search.indexing;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.search.IJavaSearchScope;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.core.search.SearchParticipant;
import org.eclipse.jdt.internal.compiler.util.Util;
import org.eclipse.jdt.internal.core.index.FileIndexLocation;
import org.eclipse.jdt.internal.core.index.Index;
import org.eclipse.jdt.internal.core.index.IndexLocation;
import org.eclipse.jdt.internal.core.search.JavaSearchDocument;
@SuppressWarnings("rawtypes")
public class DefaultJavaIndexer {
private static final char JAR_SEPARATOR = IJavaSearchScope.JAR_FILE_ENTRY_SEPARATOR.charAt(0);
public void generateIndexForJar(String pathToJar, String pathToIndexFile) throws IOException {
File f = new File(pathToJar);
if (!f.exists()) {
throw new FileNotFoundException(pathToJar + " not found"); //$NON-NLS-1$
}
IndexLocation indexLocation = new FileIndexLocation(new File(pathToIndexFile));
Index index = new Index(indexLocation, pathToJar, false /*reuse index file*/);
SearchParticipant participant = SearchEngine.getDefaultSearchParticipant();
index.separator = JAR_SEPARATOR;
ZipFile zip = new ZipFile(pathToJar);
try {
for (Enumeration e = zip.entries(); e.hasMoreElements();) {
// iterate each entry to index it
ZipEntry ze = (ZipEntry) e.nextElement();
String zipEntryName = ze.getName();
if (Util.isClassFileName(zipEntryName)) {
final byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getZipEntryByteContent(ze, zip);
JavaSearchDocument entryDocument = new JavaSearchDocument(ze, new Path(pathToJar), classFileBytes, participant);
entryDocument.setIndex(index);
new BinaryIndexer(entryDocument).indexDocument();
}
}
index.save();
} finally {
zip.close();
}
return;
}
}
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