org.apache.ace.obr/src/org/osgi/impl/bundle/obr/resource/BundleInfo.java - ace - Git at Google

 /*
  * $Id: BundleInfo.java 44 2007-07-13 20:49:41Z hargrave@us.ibm.com $
  *
  * Copyright (c) OSGi Alliance (2002, 2006, 2007). All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.osgi.impl.bundle.obr.resource;

 import java.io.*;
 import java.net.URL;
 import java.util.*;
 import java.util.zip.*;

 import org.osgi.service.obr.Resource;

 import aQute.bnd.annotation.ProviderType;

 /**
  * Convert a bundle to a generic resource description and store its local
  * dependencies (like for example a license file in the JAR) in a zip file.
  *
  * @version $Revision: 44 $
  */
 @ProviderType
 public class BundleInfo {
 	Manifest	manifest;
 	File		bundleJar;
 	ZipFile		jar;
 	String		license;
 	Properties	localization;
 	RepositoryImpl	repository;

 	/**
 	 * Parse a zipFile from the file system. We only need the manifest and the
 	 * localization. So a zip file is used to minimze memory consumption.
 	 *
 	 * @param bundleJar Path name
 	 * @throws Exception Any errors that occur
 	 */
 	public BundleInfo(RepositoryImpl repository, File bundleJar) throws Exception {
 		this.bundleJar = bundleJar;
 		this.repository = repository;

 		if (!this.bundleJar.exists())
 			throw new FileNotFoundException(bundleJar.toString());

 		jar = new ZipFile(bundleJar);
 		ZipEntry entry = jar.getEntry("META-INF/MANIFEST.MF");
 		if (entry == null)
 			throw new FileNotFoundException("No Manifest in "
 					+ bundleJar.toString());
 		manifest = new Manifest(jar.getInputStream(entry));
 	}

 	public BundleInfo(Manifest manifest) throws Exception {
 		this.manifest = manifest;
 	}

 	/**
 	 * Convert the bundle to a Resource. All URIs are going to be abslute, but
 	 * could be local.
 	 *
 	 * @return the resource
 	 * @throws Exception
 	 */
 	public ResourceImpl build() throws Exception {
 		ResourceImpl resource;
 		// Setup the manifest
 		// and create a resource
 		resource = new ResourceImpl(repository, manifest.getSymbolicName(), manifest
 				.getVersion());

 		try {

 			// Calculate the location URL of the JAR
 			URL location = new URL("jar:" + bundleJar.toURL().toString() + "!/");
 			resource.setURL(bundleJar.toURL());
 			resource.setFile(bundleJar);

 			doReferences(resource, location);
 			doSize(resource);
 			doCategories(resource);
 			doImportExportServices(resource);
 			doDeclarativeServices(resource);
 			doFragment(resource);
 			doRequires(resource);
 			doBundle(resource);
 			doExports(resource);
 			doImports(resource);
 			doExecutionEnvironment(resource);

 			return resource;
 		}
 		finally {
 			try {
 				jar.close();
 			}
 			catch (Exception e) {
 				// ignore
 			}
 		}
 	}

 	/**
 	 * Check the size and add it.
 	 *
 	 * @param resource
 	 */
 	void doSize(ResourceImpl resource) {
 		long size = bundleJar.length();
 		if (size > 0)
 			resource.setSize(size);
 	}

 	/**
 	 * Find the categories, break them up and add them.
 	 *
 	 * @param resource
 	 */
 	void doCategories(ResourceImpl resource) {
 		for (int i = 0; i < manifest.getCategories().length; i++) {
 			String category = manifest.getCategories()[i];
 			resource.addCategory(category);
 		}
 	}

 	void doReferences(ResourceImpl resource, URL location) {
 		// Presentation name
 		String name = translated("Bundle-Name");
 		if (name != null)
 			resource.setPresentationName(name);

 		// Handle license. -l allows a global license
 		// set when no license is included.

 		String license = translated("Bundle-License");
 		if (license != null)
 			resource.setLicense(toURL(location, license));
 		else if (this.license != null)
 			resource.setLicense(toURL(location, this.license));

 		String description = translated("Bundle-Description");
 		if (description != null)
 			resource.setDescription(description);

 		String copyright = translated("Bundle-Copyright");
 		if (copyright != null)
 			resource.setCopyright(copyright);

 		String documentation = translated("Bundle-DocURL");
 		if (documentation != null)
 			resource.setDocumentation(toURL(location, documentation));

 		String source = manifest.getValue("Bundle-Source");
 		if (source != null)
 			resource.setSource(toURL(location, source));
 	}

 	URL toURL(URL location, String source) {
 		try {
 			return new URL(location, source);
 		}
 		catch (Exception e) {
 			System.err.println("Error in converting url: " + location + " : "
 					+ source);
 			return null;
 		}
 	}

 	void doDeclarativeServices(ResourceImpl resource) throws Exception {
 		String serviceComponent = manifest.getValue("service-component");
 		if (serviceComponent == null)
 			return;

 		StringTokenizer st = new StringTokenizer(serviceComponent, " ,\t");
 		String parts[] = new String[st.countTokens()];
 		for (int i = 0; i < parts.length; i++)
 			parts[i] = st.nextToken();

 		for (int i = 0; i < parts.length; i++) {
 			ZipEntry entry = jar.getEntry(parts[i]);
 			if (entry == null) {
 				System.err.println("Bad Service-Component header: "
 						+ serviceComponent + ", no such file " + parts[i]);
 			}
 			InputStream in = jar.getInputStream(entry);
 			// TODO parse declarative services files.
 			in.close();
 		}
 	}

 	void doImportExportServices(ResourceImpl resource) throws IOException {
 		String importServices = manifest.getValue("import-service");
 		if (importServices != null) {
 			List entries = manifest.getEntries(importServices);
 			for (Iterator i = entries.iterator(); i.hasNext();) {
 				ManifestEntry entry = (ManifestEntry) i.next();
 				RequirementImpl ri = new RequirementImpl("service");
 				ri.setFilter(createServiceFilter(entry));
 				ri.setComment("Import Service " + entry.getName());

 				// TODO the following is arbitrary
 				ri.setOptional(false);
 				ri.setMultiple(true);
 				resource.addRequirement(ri);
 			}
 		}

 		String exportServices = manifest.getValue("export-service");
 		if (exportServices != null) {
 			List entries = manifest.getEntries(exportServices);
 			for (Iterator i = entries.iterator(); i.hasNext();) {
 				ManifestEntry entry = (ManifestEntry) i.next();
 				CapabilityImpl cap = createServiceCapability(entry);
 				resource.addCapability(cap);
 			}
 		}
 	}

 	String translated(String key) {
 		return translate(manifest.getValue(key));
 	}

 	void doFragment(ResourceImpl resource) {
 		// Check if we are a fragment
 		ManifestEntry entry = manifest.getHost();
 		if (entry == null) {
 			return;
 		}
 		else {
 			// We are a fragment, create a requirement
 			// to our host.
 			RequirementImpl r = new RequirementImpl("bundle");
 			StringBuffer sb = new StringBuffer();
 			sb.append("(&(symbolicname=");
 			sb.append(entry.getName());
 			sb.append(")(version>=");
 			sb.append(entry.getVersion());
 			sb.append("))");
 			r.setFilter(sb.toString());
 			r.setComment("Required Host " + entry.getName() );
 			r.setExtend(true);
 			r.setOptional(false);
 			r.setMultiple(false);
 			resource.addRequirement(r);

 			// And insert a capability that we are available
 			// as a fragment. ### Do we need that with extend?
 			CapabilityImpl capability = new CapabilityImpl("fragment");
 			capability.addProperty("host", entry.getName());
 			capability.addProperty("version", entry.getVersion());
 			resource.addCapability(capability);
 		}
 	}

 	void doRequires(ResourceImpl resource) {
 		List entries = manifest.getRequire();
 		if (entries == null)
 			return;

 		for (Iterator i = entries.iterator(); i.hasNext();) {
 			ManifestEntry entry = (ManifestEntry) i.next();
 			RequirementImpl r = new RequirementImpl("bundle");

 			StringBuffer sb = new StringBuffer();
 			sb.append("(&(symbolicname=");
 			sb.append(entry.getName());
 			sb.append(")(version>=");
 			sb.append(entry.getVersion());
 			sb.append("))");
 			r.setFilter(sb.toString());
 			r.setComment("Require Bundle " + entry.getName() + "; "
 					+ entry.getVersion());
 			if (entry.directives == null
 					|| "true".equalsIgnoreCase((String) entry.directives
 							.get("resolution")))
 				r.setOptional(false);
 			else
 				r.setOptional(true);
 			resource.addRequirement(r);
 		}
 	}

 	void doExecutionEnvironment(ResourceImpl resource) {
 		String[] parts = manifest.getRequiredExecutionEnvironments();
 		if (parts == null)
 			return;

 		StringBuffer sb = new StringBuffer();
 		sb.append("(|");
 		for (int i = 0; i < parts.length; i++) {
 			String part = parts[i];
 			sb.append("(ee=");
 			sb.append(part);
 			sb.append(")");
 		}
 		sb.append(")");

 		RequirementImpl req = new RequirementImpl("ee");
 		req.setFilter(sb.toString());
 		req.setComment("Execution Environment " + sb.toString());
 		resource.addRequirement(req);
 	}

 	void doImports(ResourceImpl resource) {
 		List requirements = new ArrayList();
 		List packages = manifest.getImports();
 		if (packages == null)
 			return;

 		for (Iterator i = packages.iterator(); i.hasNext();) {
 			ManifestEntry pack = (ManifestEntry) i.next();
 			RequirementImpl requirement = new RequirementImpl("package");

 			createImportFilter(requirement, "package", pack);
 			requirement.setComment("Import package " + pack);
 			requirements.add(requirement);
 		}
 		for (Iterator i = requirements.iterator(); i.hasNext();)
 			resource.addRequirement((RequirementImpl) i.next());
 	}

 	String createServiceFilter(ManifestEntry pack) {
 		StringBuffer filter = new StringBuffer();
 		filter.append("(service=");
 		filter.append(pack.getName());
 		filter.append(")");
 		return filter.toString();
 	}

 	void createImportFilter(RequirementImpl req, String name, ManifestEntry pack) {
 		StringBuffer filter = new StringBuffer();
 		filter.append("(&(");
 		filter.append(name);
 		filter.append("=");
 		filter.append(pack.getName());
 		filter.append(")");
 		VersionRange version = pack.getVersion();
 		if (version != null) {
 			if ( version.isRange() ) {
 				filter.append("(version");
 				filter.append(">");
 				if (version.includeLow())
 					filter.append("=");
 				filter.append(version.low);
 				filter.append(")");

 				filter.append("(version");
 				filter.append("<");
 				if (version.includeHigh())
 					filter.append("=");
 				filter.append(version.high);
 				filter.append(")");
 			}
 			else {
 				filter.append("(version>=");
 				filter.append(pack.getVersion());
 				filter.append(")");
 			}
 		}
 		Map attributes = pack.getAttributes();
 		Set attrs = doImportPackageAttributes(req, filter, attributes);
 		if (attrs.size() > 0) {
 			String del = "";
 			filter.append("(mandatory:<*");
 			for (Iterator i = attrs.iterator(); i.hasNext();) {
 				filter.append(del);
 				filter.append(i.next());
 				del = ", ";
 			}
 			filter.append(")");
 		}
 		filter.append(")");
 		req.setFilter(filter.toString());
 	}

 	Set doImportPackageAttributes(RequirementImpl req, StringBuffer filter,
 			Map attributes) {
 		HashSet set = new HashSet();

 		if (attributes != null)
 			for (Iterator i = attributes.keySet().iterator(); i.hasNext();) {
 				String attribute = (String) i.next();
 				String value = (String) attributes.get(attribute);
 				if (attribute.equalsIgnoreCase("specification-version")
 						|| attribute.equalsIgnoreCase("version"))
 					continue;
 				else if (attribute.equalsIgnoreCase("resolution:")) {
 					req.setOptional(value.equalsIgnoreCase("optional"));
 				}
 				if (attribute.endsWith(":")) {
 					// Ignore
 				}
 				else {
 					filter.append("(");
 					filter.append(attribute);
 					filter.append("=");
 					filter.append(attributes.get(attribute));
 					filter.append(")");
 					set.add(attribute);
 				}
 			}
 		return set;
 	}

 	void doBundle(ResourceImpl resource) {
 		CapabilityImpl capability = new CapabilityImpl("bundle");
 		capability.addProperty("symbolicname", manifest.getSymbolicName());
 		if (manifest.getValue("Bundle-Name") != null)
 			capability.addProperty(
 					Resource.PRESENTATION_NAME,
 					translated("Bundle-Name"));
 		capability.addProperty("version", manifest.getVersion());
 		capability
 				.addProperty("manifestversion", manifest.getManifestVersion());

 		/**
 		 * Is this needed TODO
 		 */
 		ManifestEntry host = manifest.getHost();
 		if (host != null) {
 			capability.addProperty("host", host.getName());
 			if (host.getVersion() != null)
 				capability.addProperty("version", host.getVersion());
 		}
 		resource.addCapability(capability);
 	}

 	void doExports(ResourceImpl resource) {
 		List capabilities = new ArrayList();
 		List packages = manifest.getExports();
 		if (packages != null) {
 			for (Iterator i = packages.iterator(); i.hasNext();) {
 				ManifestEntry pack = (ManifestEntry) i.next();
 				CapabilityImpl capability = createCapability("package", pack);
 				capabilities.add(capability);
 			}
         }
 		for (Iterator i = capabilities.iterator(); i.hasNext();)
 			resource.addCapability((CapabilityImpl) i.next());
 	}

 	CapabilityImpl createServiceCapability(ManifestEntry pack) {
 		CapabilityImpl capability = new CapabilityImpl("service");
 		capability.addProperty("service", pack.getName());
 		return capability;
 	}

 	CapabilityImpl createCapability(String name, ManifestEntry pack) {
 		CapabilityImpl capability = new CapabilityImpl(name);
 		capability.addProperty(name, pack.getName());
 		capability.addProperty("version", pack.getVersion());
 		Map attributes = pack.getAttributes();
 		if (attributes != null)
 			for (Iterator at = attributes.keySet().iterator(); at.hasNext();) {
 				String key = (String) at.next();
 				if (key.equalsIgnoreCase("specification-version")
 						|| key.equalsIgnoreCase("version"))
 					continue;
 				else {
 					Object value = attributes.get(key);
 					capability.addProperty(key, value);
 				}
 			}
 		return capability;
 	}

 	String translate(String s) {
 		if (s == null)
 			return null;

 		if (!s.startsWith("%")) {
 			return s;
 		}

 		if (localization == null)
 			try {
 				localization = new Properties();
 				String path = manifest
 						.getValue("Bundle-Localization", "bundle");
 				path += ".properties";
 				InputStream in = jar.getInputStream(new ZipEntry(path));
 				if (in != null) {
 					localization.load(in);
 					in.close();
 				}
 			}
 			catch (IOException e) {
 				e.printStackTrace();
 			}
 		s = s.substring(1);
 		return localization.getProperty(s, s);
 	}

 	File getZipFile() {
 		return bundleJar;
 	}
 }
	/*
	* $Id: BundleInfo.java 44 2007-07-13 20:49:41Z hargrave@us.ibm.com $
	*
	* Copyright (c) OSGi Alliance (2002, 2006, 2007). All Rights Reserved.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package org.osgi.impl.bundle.obr.resource;

	import java.io.*;
	import java.net.URL;
	import java.util.*;
	import java.util.zip.*;

	import org.osgi.service.obr.Resource;

	import aQute.bnd.annotation.ProviderType;

	/**
	* Convert a bundle to a generic resource description and store its local
	* dependencies (like for example a license file in the JAR) in a zip file.
	*
	* @version $Revision: 44 $
	*/
	@ProviderType
	public class BundleInfo {
	Manifest manifest;
	File bundleJar;
	ZipFile jar;
	String license;
	Properties localization;
	RepositoryImpl repository;

	/**
	* Parse a zipFile from the file system. We only need the manifest and the
	* localization. So a zip file is used to minimze memory consumption.
	*
	* @param bundleJar Path name
	* @throws Exception Any errors that occur
	*/
	public BundleInfo(RepositoryImpl repository, File bundleJar) throws Exception {
	this.bundleJar = bundleJar;
	this.repository = repository;

	if (!this.bundleJar.exists())
	throw new FileNotFoundException(bundleJar.toString());

	jar = new ZipFile(bundleJar);
	ZipEntry entry = jar.getEntry("META-INF/MANIFEST.MF");
	if (entry == null)
	throw new FileNotFoundException("No Manifest in "
	+ bundleJar.toString());
	manifest = new Manifest(jar.getInputStream(entry));
	}

	public BundleInfo(Manifest manifest) throws Exception {
	this.manifest = manifest;
	}

	/**
	* Convert the bundle to a Resource. All URIs are going to be abslute, but
	* could be local.
	*
	* @return the resource
	* @throws Exception
	*/
	public ResourceImpl build() throws Exception {
	ResourceImpl resource;
	// Setup the manifest
	// and create a resource
	resource = new ResourceImpl(repository, manifest.getSymbolicName(), manifest
	.getVersion());

	try {

	// Calculate the location URL of the JAR
	URL location = new URL("jar:" + bundleJar.toURL().toString() + "!/");
	resource.setURL(bundleJar.toURL());
	resource.setFile(bundleJar);

	doReferences(resource, location);
	doSize(resource);
	doCategories(resource);
	doImportExportServices(resource);
	doDeclarativeServices(resource);
	doFragment(resource);
	doRequires(resource);
	doBundle(resource);
	doExports(resource);
	doImports(resource);
	doExecutionEnvironment(resource);

	return resource;
	}
	finally {
	try {
	jar.close();
	}
	catch (Exception e) {
	// ignore
	}
	}
	}

	/**
	* Check the size and add it.
	*
	* @param resource
	*/
	void doSize(ResourceImpl resource) {
	long size = bundleJar.length();
	if (size > 0)
	resource.setSize(size);
	}

	/**
	* Find the categories, break them up and add them.
	*
	* @param resource
	*/
	void doCategories(ResourceImpl resource) {
	for (int i = 0; i < manifest.getCategories().length; i++) {
	String category = manifest.getCategories()[i];
	resource.addCategory(category);
	}
	}

	void doReferences(ResourceImpl resource, URL location) {
	// Presentation name
	String name = translated("Bundle-Name");
	if (name != null)
	resource.setPresentationName(name);

	// Handle license. -l allows a global license
	// set when no license is included.

	String license = translated("Bundle-License");
	if (license != null)
	resource.setLicense(toURL(location, license));
	else if (this.license != null)
	resource.setLicense(toURL(location, this.license));

	String description = translated("Bundle-Description");
	if (description != null)
	resource.setDescription(description);

	String copyright = translated("Bundle-Copyright");
	if (copyright != null)
	resource.setCopyright(copyright);

	String documentation = translated("Bundle-DocURL");
	if (documentation != null)
	resource.setDocumentation(toURL(location, documentation));

	String source = manifest.getValue("Bundle-Source");
	if (source != null)
	resource.setSource(toURL(location, source));
	}

	URL toURL(URL location, String source) {
	try {
	return new URL(location, source);
	}
	catch (Exception e) {
	System.err.println("Error in converting url: " + location + " : "
	+ source);
	return null;
	}
	}

	void doDeclarativeServices(ResourceImpl resource) throws Exception {
	String serviceComponent = manifest.getValue("service-component");
	if (serviceComponent == null)
	return;

	StringTokenizer st = new StringTokenizer(serviceComponent, " ,\t");
	String parts[] = new String[st.countTokens()];
	for (int i = 0; i < parts.length; i++)
	parts[i] = st.nextToken();

	for (int i = 0; i < parts.length; i++) {
	ZipEntry entry = jar.getEntry(parts[i]);
	if (entry == null) {
	System.err.println("Bad Service-Component header: "
	+ serviceComponent + ", no such file " + parts[i]);
	}
	InputStream in = jar.getInputStream(entry);
	// TODO parse declarative services files.
	in.close();
	}
	}

	void doImportExportServices(ResourceImpl resource) throws IOException {
	String importServices = manifest.getValue("import-service");
	if (importServices != null) {
	List entries = manifest.getEntries(importServices);
	for (Iterator i = entries.iterator(); i.hasNext();) {
	ManifestEntry entry = (ManifestEntry) i.next();
	RequirementImpl ri = new RequirementImpl("service");
	ri.setFilter(createServiceFilter(entry));
	ri.setComment("Import Service " + entry.getName());

	// TODO the following is arbitrary
	ri.setOptional(false);
	ri.setMultiple(true);
	resource.addRequirement(ri);
	}
	}

	String exportServices = manifest.getValue("export-service");
	if (exportServices != null) {
	List entries = manifest.getEntries(exportServices);
	for (Iterator i = entries.iterator(); i.hasNext();) {
	ManifestEntry entry = (ManifestEntry) i.next();
	CapabilityImpl cap = createServiceCapability(entry);
	resource.addCapability(cap);
	}
	}
	}

	String translated(String key) {
	return translate(manifest.getValue(key));
	}

	void doFragment(ResourceImpl resource) {
	// Check if we are a fragment
	ManifestEntry entry = manifest.getHost();
	if (entry == null) {
	return;
	}
	else {
	// We are a fragment, create a requirement
	// to our host.
	RequirementImpl r = new RequirementImpl("bundle");
	StringBuffer sb = new StringBuffer();
	sb.append("(&(symbolicname=");
	sb.append(entry.getName());
	sb.append(")(version>=");
	sb.append(entry.getVersion());
	sb.append("))");
	r.setFilter(sb.toString());
	r.setComment("Required Host " + entry.getName() );
	r.setExtend(true);
	r.setOptional(false);
	r.setMultiple(false);
	resource.addRequirement(r);

	// And insert a capability that we are available
	// as a fragment. ### Do we need that with extend?
	CapabilityImpl capability = new CapabilityImpl("fragment");
	capability.addProperty("host", entry.getName());
	capability.addProperty("version", entry.getVersion());
	resource.addCapability(capability);
	}
	}

	void doRequires(ResourceImpl resource) {
	List entries = manifest.getRequire();
	if (entries == null)
	return;

	for (Iterator i = entries.iterator(); i.hasNext();) {
	ManifestEntry entry = (ManifestEntry) i.next();
	RequirementImpl r = new RequirementImpl("bundle");

	StringBuffer sb = new StringBuffer();
	sb.append("(&(symbolicname=");
	sb.append(entry.getName());
	sb.append(")(version>=");
	sb.append(entry.getVersion());
	sb.append("))");
	r.setFilter(sb.toString());
	r.setComment("Require Bundle " + entry.getName() + "; "
	+ entry.getVersion());
	if (entry.directives == null
	\|\| "true".equalsIgnoreCase((String) entry.directives
	.get("resolution")))
	r.setOptional(false);
	else
	r.setOptional(true);
	resource.addRequirement(r);
	}
	}

	void doExecutionEnvironment(ResourceImpl resource) {
	String[] parts = manifest.getRequiredExecutionEnvironments();
	if (parts == null)
	return;

	StringBuffer sb = new StringBuffer();
	sb.append("(\|");
	for (int i = 0; i < parts.length; i++) {
	String part = parts[i];
	sb.append("(ee=");
	sb.append(part);
	sb.append(")");
	}
	sb.append(")");

	RequirementImpl req = new RequirementImpl("ee");
	req.setFilter(sb.toString());
	req.setComment("Execution Environment " + sb.toString());
	resource.addRequirement(req);
	}

	void doImports(ResourceImpl resource) {
	List requirements = new ArrayList();
	List packages = manifest.getImports();
	if (packages == null)
	return;

	for (Iterator i = packages.iterator(); i.hasNext();) {
	ManifestEntry pack = (ManifestEntry) i.next();
	RequirementImpl requirement = new RequirementImpl("package");

	createImportFilter(requirement, "package", pack);
	requirement.setComment("Import package " + pack);
	requirements.add(requirement);
	}
	for (Iterator i = requirements.iterator(); i.hasNext();)
	resource.addRequirement((RequirementImpl) i.next());
	}

	String createServiceFilter(ManifestEntry pack) {
	StringBuffer filter = new StringBuffer();
	filter.append("(service=");
	filter.append(pack.getName());
	filter.append(")");
	return filter.toString();
	}

	void createImportFilter(RequirementImpl req, String name, ManifestEntry pack) {
	StringBuffer filter = new StringBuffer();
	filter.append("(&(");
	filter.append(name);
	filter.append("=");
	filter.append(pack.getName());
	filter.append(")");
	VersionRange version = pack.getVersion();
	if (version != null) {
	if ( version.isRange() ) {
	filter.append("(version");
	filter.append(">");
	if (version.includeLow())
	filter.append("=");
	filter.append(version.low);
	filter.append(")");

	filter.append("(version");
	filter.append("<");
	if (version.includeHigh())
	filter.append("=");
	filter.append(version.high);
	filter.append(")");
	}
	else {
	filter.append("(version>=");
	filter.append(pack.getVersion());
	filter.append(")");
	}
	}
	Map attributes = pack.getAttributes();
	Set attrs = doImportPackageAttributes(req, filter, attributes);
	if (attrs.size() > 0) {
	String del = "";
	filter.append("(mandatory:<*");
	for (Iterator i = attrs.iterator(); i.hasNext();) {
	filter.append(del);
	filter.append(i.next());
	del = ", ";
	}
	filter.append(")");
	}
	filter.append(")");
	req.setFilter(filter.toString());
	}

	Set doImportPackageAttributes(RequirementImpl req, StringBuffer filter,
	Map attributes) {
	HashSet set = new HashSet();

	if (attributes != null)
	for (Iterator i = attributes.keySet().iterator(); i.hasNext();) {
	String attribute = (String) i.next();
	String value = (String) attributes.get(attribute);
	if (attribute.equalsIgnoreCase("specification-version")
	\|\| attribute.equalsIgnoreCase("version"))
	continue;
	else if (attribute.equalsIgnoreCase("resolution:")) {
	req.setOptional(value.equalsIgnoreCase("optional"));
	}
	if (attribute.endsWith(":")) {
	// Ignore
	}
	else {
	filter.append("(");
	filter.append(attribute);
	filter.append("=");
	filter.append(attributes.get(attribute));
	filter.append(")");
	set.add(attribute);
	}
	}
	return set;
	}

	void doBundle(ResourceImpl resource) {
	CapabilityImpl capability = new CapabilityImpl("bundle");
	capability.addProperty("symbolicname", manifest.getSymbolicName());
	if (manifest.getValue("Bundle-Name") != null)
	capability.addProperty(
	Resource.PRESENTATION_NAME,
	translated("Bundle-Name"));
	capability.addProperty("version", manifest.getVersion());
	capability
	.addProperty("manifestversion", manifest.getManifestVersion());

	/**
	* Is this needed TODO
	*/
	ManifestEntry host = manifest.getHost();
	if (host != null) {
	capability.addProperty("host", host.getName());
	if (host.getVersion() != null)
	capability.addProperty("version", host.getVersion());
	}
	resource.addCapability(capability);
	}

	void doExports(ResourceImpl resource) {
	List capabilities = new ArrayList();
	List packages = manifest.getExports();
	if (packages != null) {
	for (Iterator i = packages.iterator(); i.hasNext();) {
	ManifestEntry pack = (ManifestEntry) i.next();
	CapabilityImpl capability = createCapability("package", pack);
	capabilities.add(capability);
	}
	}
	for (Iterator i = capabilities.iterator(); i.hasNext();)
	resource.addCapability((CapabilityImpl) i.next());
	}

	CapabilityImpl createServiceCapability(ManifestEntry pack) {
	CapabilityImpl capability = new CapabilityImpl("service");
	capability.addProperty("service", pack.getName());
	return capability;
	}

	CapabilityImpl createCapability(String name, ManifestEntry pack) {
	CapabilityImpl capability = new CapabilityImpl(name);
	capability.addProperty(name, pack.getName());
	capability.addProperty("version", pack.getVersion());
	Map attributes = pack.getAttributes();
	if (attributes != null)
	for (Iterator at = attributes.keySet().iterator(); at.hasNext();) {
	String key = (String) at.next();
	if (key.equalsIgnoreCase("specification-version")
	\|\| key.equalsIgnoreCase("version"))
	continue;
	else {
	Object value = attributes.get(key);
	capability.addProperty(key, value);
	}
	}
	return capability;
	}

	String translate(String s) {
	if (s == null)
	return null;

	if (!s.startsWith("%")) {
	return s;
	}

	if (localization == null)
	try {
	localization = new Properties();
	String path = manifest
	.getValue("Bundle-Localization", "bundle");
	path += ".properties";
	InputStream in = jar.getInputStream(new ZipEntry(path));
	if (in != null) {
	localization.load(in);
	in.close();
	}
	}
	catch (IOException e) {
	e.printStackTrace();
	}
	s = s.substring(1);
	return localization.getProperty(s, s);
	}

	File getZipFile() {
	return bundleJar;
	}
	}