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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.ote.core;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.security.NoSuchAlgorithmException;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import org.eclipse.osee.framework.jdk.core.util.ChecksumUtil;
/**
* @author Robert A. Fisher
*/
public class BundleInfo {
private final String symbolicName;
private final String version;
private final URL systemLocation;
private final URL bundleServerLocation;
private final File file;
private final Manifest manifest;
private final boolean systemLibrary;
private String md5Digest;
public BundleInfo(URL systemLocation, String bundleServerBaseLocation, boolean systemLibrary) throws IOException {
File tmpFile;
try {
tmpFile = new File(systemLocation.toURI());
} catch (URISyntaxException ex) {
tmpFile = new File(systemLocation.getPath());
}
this.file = tmpFile;
JarFile jarFile = new JarFile(file);
this.manifest = jarFile.getManifest();
this.symbolicName = generateBundleName(manifest);
this.version = manifest.getMainAttributes().getValue("Bundle-Version");
this.systemLocation = systemLocation;
this.bundleServerLocation = new URL(bundleServerBaseLocation + symbolicName);
this.systemLibrary = systemLibrary;
this.md5Digest = null;
}
public BundleInfo(URL systemLocation) throws IOException {
File tmpFile;
try {
tmpFile = new File(systemLocation.toURI());
} catch (URISyntaxException ex) {
tmpFile = new File(systemLocation.getPath());
}
this.file = tmpFile;
JarFile jarFile = new JarFile(file);
this.manifest = jarFile.getManifest();
this.symbolicName = generateBundleName(manifest);
this.version = manifest.getMainAttributes().getValue("Bundle-Version");
this.systemLocation = systemLocation;
this.bundleServerLocation = systemLocation;
this.systemLibrary = true;
this.md5Digest = null;
}
/**
* @return the name of the bundle
*/
public static String generateBundleName(Manifest jarManifest) {
String nameEntry = jarManifest.getMainAttributes().getValue("Bundle-SymbolicName");
if(nameEntry == null){
return "unknown";
}
// Sometimes there's a semicolon then extra info - ignore this
int index = nameEntry.indexOf(';');
if (index != -1) {
nameEntry = nameEntry.substring(0, index);
}
return nameEntry;
}
/**
* @return the symbolicName
*/
public String getSymbolicName() {
return symbolicName;
}
/**
* @return the version
*/
public String getVersion() {
return version;
}
/**
* @return the location
*/
public URL getSystemLocation() {
return systemLocation;
}
/**
* @return the bundleServerLocation
*/
public URL getServerBundleLocation() {
return bundleServerLocation;
}
/**
* @return the file
*/
public File getFile() {
return file;
}
/**
* @return the manifest
*/
public Manifest getManifest() {
return manifest;
}
@Override
public String toString() {
return getSymbolicName() + ":" + getVersion();
}
/**
* @return the systemLibrary
*/
public boolean isSystemLibrary() {
return systemLibrary;
}
/**
* @return the md5Digest
*/
public String getMd5Digest() {
// Do lazy calculation of this since it can be costly
// and does not get read for all bundle info's
if (md5Digest == null) {
try {
InputStream in = systemLocation.openStream();
md5Digest = ChecksumUtil.createChecksumAsString(in, "MD5");
in.close();
} catch (NoSuchAlgorithmException ex) {
throw new IllegalStateException("Always expect MD5 to be available", ex);
} catch (IOException ex) {
throw new IllegalStateException("Always expect local jar file to be available", ex);
} catch (Exception e) {
e.printStackTrace();
}
}
return md5Digest;
}
}
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