bundles/org.eclipse.osgi/resolver/src/org/eclipse/osgi/internal/resolver/StateObjectFactoryImpl.java - equinox/rt.equinox.framework - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2005 IBM Corporation and others.
  * 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.osgi.internal.resolver;

 import java.io.*;
 import java.util.Dictionary;
 import java.util.Map;
 import org.eclipse.osgi.service.resolver.*;
 import org.osgi.framework.BundleException;
 import org.osgi.framework.Version;

 public class StateObjectFactoryImpl implements StateObjectFactory {

 	public BundleDescription createBundleDescription(Dictionary manifest, String location, long id) throws BundleException {
 		return createBundleDescription(null, manifest, location, id);
 	}

 	public BundleDescription createBundleDescription(State state, Dictionary manifest, String location, long id) throws BundleException {
 		BundleDescriptionImpl result = (BundleDescriptionImpl) StateBuilder.createBundleDescription((StateImpl)state, manifest, location);
 		result.setBundleId(id);
 		return result;
 	}

 	public BundleDescription createBundleDescription(long id, String symbolicName, Version version, String location, BundleSpecification[] required, HostSpecification host, ImportPackageSpecification[] imports, ExportPackageDescription[] exports, String[] providedPackages, boolean singleton) {
 		BundleDescriptionImpl bundle = new BundleDescriptionImpl();
 		bundle.setBundleId(id);
 		bundle.setSymbolicName(symbolicName);
 		bundle.setVersion(version);
 		bundle.setLocation(location);
 		bundle.setRequiredBundles(required);
 		bundle.setHost(host);
 		bundle.setImportPackages(imports);
 		bundle.setExportPackages(exports);
 		bundle.setStateBit(BundleDescriptionImpl.SINGLETON, singleton);
 		return bundle;
 	}

 	public BundleDescription createBundleDescription(BundleDescription original) {
 		BundleDescriptionImpl bundle = new BundleDescriptionImpl();
 		bundle.setBundleId(original.getBundleId());
 		bundle.setSymbolicName(original.getSymbolicName());
 		bundle.setVersion(original.getVersion());
 		bundle.setLocation(original.getLocation());
 		BundleSpecification[] originalRequired = original.getRequiredBundles();
 		BundleSpecification[] newRequired = new BundleSpecification[originalRequired.length];
 		for (int i = 0; i < newRequired.length; i++)
 			newRequired[i] = createBundleSpecification(originalRequired[i]);
 		bundle.setRequiredBundles(newRequired);
 		ExportPackageDescription[] originalExports = original.getExportPackages();
 		ExportPackageDescription[] newExports = new ExportPackageDescription[originalExports.length];
 		for (int i = 0; i < newExports.length; i++)
 			newExports[i] = createExportPackageDescription(originalExports[i]);
 		bundle.setExportPackages(newExports);
 		ImportPackageSpecification[] originalImports = original.getImportPackages();
 		ImportPackageSpecification[] newImports = new ImportPackageSpecification[originalImports.length];
 		for (int i = 0; i < newImports.length; i++)
 			newImports[i] = createImportPackageSpecification(originalImports[i]);
 		bundle.setImportPackages(newImports);
 		if (original.getHost() != null)
 			bundle.setHost(createHostSpecification(original.getHost()));
 		bundle.setStateBit(BundleDescriptionImpl.SINGLETON, original.isSingleton());
 		bundle.setStateBit(BundleDescriptionImpl.ATTACH_FRAGMENTS, original.attachFragments());
 		bundle.setStateBit(BundleDescriptionImpl.DYNAMIC_FRAGMENTS, original.dynamicFragments());
 		bundle.setStateBit(BundleDescriptionImpl.HAS_DYNAMICIMPORT, original.hasDynamicImports());
 		bundle.setPlatformFilter(original.getPlatformFilter());
 		return bundle;
 	}

 	public BundleSpecification createBundleSpecification(String requiredSymbolicName, VersionRange requiredVersionRange, boolean export, boolean optional) {
 		BundleSpecificationImpl bundleSpec = new BundleSpecificationImpl();
 		bundleSpec.setName(requiredSymbolicName);
 		bundleSpec.setVersionRange(requiredVersionRange);
 		bundleSpec.setExported(export);
 		bundleSpec.setOptional(optional);
 		return bundleSpec;
 	}

 	public BundleSpecification createBundleSpecification(BundleSpecification original) {
 		BundleSpecificationImpl bundleSpec = new BundleSpecificationImpl();
 		bundleSpec.setName(original.getName());
 		bundleSpec.setVersionRange(original.getVersionRange());
 		bundleSpec.setExported(original.isExported());
 		bundleSpec.setOptional(original.isOptional());
 		return bundleSpec;
 	}

 	public HostSpecification createHostSpecification(String hostSymbolicName, VersionRange versionRange) {
 		HostSpecificationImpl hostSpec = new HostSpecificationImpl();
 		hostSpec.setName(hostSymbolicName);
 		hostSpec.setVersionRange(versionRange);
 		return hostSpec;
 	}

 	public HostSpecification createHostSpecification(HostSpecification original) {
 		HostSpecificationImpl hostSpec = new HostSpecificationImpl();
 		hostSpec.setName(original.getName());
 		hostSpec.setVersionRange(original.getVersionRange());
 		return hostSpec;
 	}

 	public ImportPackageSpecification createImportPackageSpecification(String packageName, VersionRange versionRange, String bundleSymbolicName, VersionRange bundleVersionRange, Map directives, Map attributes, BundleDescription importer) {
 		ImportPackageSpecificationImpl packageSpec = new ImportPackageSpecificationImpl();
 		packageSpec.setName(packageName);
 		packageSpec.setVersionRange(versionRange);
 		packageSpec.setBundleSymbolicName(bundleSymbolicName);
 		packageSpec.setBundleVersionRange(bundleVersionRange);
 		packageSpec.setDirectives(directives);
 		packageSpec.setAttributes(attributes);
 		packageSpec.setBundle(importer);
 		return packageSpec;
 	}

 	public ImportPackageSpecification createImportPackageSpecification(ImportPackageSpecification original) {
 		ImportPackageSpecificationImpl packageSpec = new ImportPackageSpecificationImpl();
 		packageSpec.setName(original.getName());
 		packageSpec.setVersionRange(original.getVersionRange());
 		packageSpec.setBundleSymbolicName(original.getBundleSymbolicName());
 		packageSpec.setBundleVersionRange(original.getBundleVersionRange());
 		packageSpec.setDirectives(original.getDirectives());
 		packageSpec.setAttributes(original.getAttributes());
 		return packageSpec;
 	}

 	public ExportPackageDescription createExportPackageDescription(ExportPackageDescription original) {
 		return createExportPackageDescription(original.getName(), original.getVersion(), original.getDirectives(), original.getAttributes(), original.isRoot(), null);
 	}

 	public ExportPackageDescription createExportPackageDescription(String packageName, Version version, Map directives, Map attributes, boolean root, BundleDescription exporter) {
 		ExportPackageDescriptionImpl exportPackage = new ExportPackageDescriptionImpl();
 		exportPackage.setName(packageName);
 		exportPackage.setVersion(version);
 		exportPackage.setDirectives(directives);
 		exportPackage.setAttributes(attributes);
 		exportPackage.setRoot(root);
 		exportPackage.setExporter(exporter);
 		return exportPackage;
 	}

 	public SystemState createSystemState() {
 		SystemState state = new SystemState();
 		state.setFactory(this);
 		return state;
 	}

 	public State createState() {
 		return internalCreateState();
 	}

 	public State createState(State original) {
 		StateImpl newState = internalCreateState();
 		newState.setTimeStamp(original.getTimeStamp());
 		BundleDescription[] bundles = original.getBundles();
 		for (int i = 0; i < bundles.length; i++)
 			newState.basicAddBundle(createBundleDescription(bundles[i]));
 		newState.setResolved(false);
 		return newState;
 	}

 	private StateImpl internalCreateState() {
 		StateImpl state = new UserState();
 		state.setFactory(this);
 		return state;
 	}

 	public SystemState readSystemState(File stateFile, File lazyFile, boolean lazyLoad, long expectedTimeStamp) throws IOException {
 		StateReader reader = new StateReader(stateFile, lazyFile, lazyLoad);
 		SystemState restoredState = new SystemState();
 		restoredState.setReader(reader);
 		restoredState.setFactory(this);
 		if (!reader.loadState(restoredState, expectedTimeStamp))
 			return null;
 		return restoredState;
 	}

 	public State readState(InputStream stream) throws IOException {
 		return internalReadStateDeprecated(internalCreateState(), new DataInputStream(stream), -1);
 	}

 	public State readState(DataInputStream stream) throws IOException {
 		return internalReadStateDeprecated(internalCreateState(), stream, -1);
 	}

 	public State readState(File stateDirectory) throws IOException {
 		return internalReadState(internalCreateState(), stateDirectory, -1);
 	}

 	private State internalReadStateDeprecated(StateImpl toRestore, DataInputStream stream, long expectedTimestamp) throws IOException {
 		StateReader reader = new StateReader();
 		if (!reader.loadStateDeprecated(toRestore, stream, expectedTimestamp))
 			return null;
 		return toRestore;
 	}

 	private State internalReadState(StateImpl toRestore, File stateDirectory, long expectedTimestamp) throws IOException {
 		File stateFile = new File(stateDirectory, StateReader.STATE_FILE);
 		File lazyFile = new File(stateDirectory, StateReader.LAZY_FILE);
 		StateReader reader = new StateReader(stateFile, lazyFile, false);
 		if (!reader.loadState(toRestore, expectedTimestamp))
 			return null;
 		return toRestore;
 	}

 	public void writeState(State state, DataOutputStream stream) throws IOException {
 		internalWriteStateDeprecated(state, stream);
 	}

 	public void writeState(State state, File stateDirectory) throws IOException {
 		if (stateDirectory == null)
 			throw new IOException();
 		StateWriter writer = new StateWriter();
 		File stateFile = new File(stateDirectory, StateReader.STATE_FILE);
 		File lazyFile = new File(stateDirectory, StateReader.LAZY_FILE);
 		writer.saveState((StateImpl) state, stateFile, lazyFile);
 	}

 	public void writeState(State state, OutputStream stream) throws IOException {
 		internalWriteStateDeprecated(state, new DataOutputStream(stream));
 	}

 	public void writeState(State state, File stateFile, File lazyFile) throws IOException {
 		StateWriter writer = new StateWriter();
 		writer.saveState((StateImpl) state, stateFile, lazyFile);
 	}

 	public void internalWriteStateDeprecated(State state, DataOutputStream stream) throws IOException {
 		if (state.getFactory() != this)
 			throw new IllegalArgumentException();
 		StateWriter writer = new StateWriter();
 		writer.saveStateDeprecated((StateImpl) state, stream);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2005 IBM Corporation and others.
	* 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.osgi.internal.resolver;

	import java.io.*;
	import java.util.Dictionary;
	import java.util.Map;
	import org.eclipse.osgi.service.resolver.*;
	import org.osgi.framework.BundleException;
	import org.osgi.framework.Version;

	public class StateObjectFactoryImpl implements StateObjectFactory {

	public BundleDescription createBundleDescription(Dictionary manifest, String location, long id) throws BundleException {
	return createBundleDescription(null, manifest, location, id);
	}

	public BundleDescription createBundleDescription(State state, Dictionary manifest, String location, long id) throws BundleException {
	BundleDescriptionImpl result = (BundleDescriptionImpl) StateBuilder.createBundleDescription((StateImpl)state, manifest, location);
	result.setBundleId(id);
	return result;
	}

	public BundleDescription createBundleDescription(long id, String symbolicName, Version version, String location, BundleSpecification[] required, HostSpecification host, ImportPackageSpecification[] imports, ExportPackageDescription[] exports, String[] providedPackages, boolean singleton) {
	BundleDescriptionImpl bundle = new BundleDescriptionImpl();
	bundle.setBundleId(id);
	bundle.setSymbolicName(symbolicName);
	bundle.setVersion(version);
	bundle.setLocation(location);
	bundle.setRequiredBundles(required);
	bundle.setHost(host);
	bundle.setImportPackages(imports);
	bundle.setExportPackages(exports);
	bundle.setStateBit(BundleDescriptionImpl.SINGLETON, singleton);
	return bundle;
	}

	public BundleDescription createBundleDescription(BundleDescription original) {
	BundleDescriptionImpl bundle = new BundleDescriptionImpl();
	bundle.setBundleId(original.getBundleId());
	bundle.setSymbolicName(original.getSymbolicName());
	bundle.setVersion(original.getVersion());
	bundle.setLocation(original.getLocation());
	BundleSpecification[] originalRequired = original.getRequiredBundles();
	BundleSpecification[] newRequired = new BundleSpecification[originalRequired.length];
	for (int i = 0; i < newRequired.length; i++)
	newRequired[i] = createBundleSpecification(originalRequired[i]);
	bundle.setRequiredBundles(newRequired);
	ExportPackageDescription[] originalExports = original.getExportPackages();
	ExportPackageDescription[] newExports = new ExportPackageDescription[originalExports.length];
	for (int i = 0; i < newExports.length; i++)
	newExports[i] = createExportPackageDescription(originalExports[i]);
	bundle.setExportPackages(newExports);
	ImportPackageSpecification[] originalImports = original.getImportPackages();
	ImportPackageSpecification[] newImports = new ImportPackageSpecification[originalImports.length];
	for (int i = 0; i < newImports.length; i++)
	newImports[i] = createImportPackageSpecification(originalImports[i]);
	bundle.setImportPackages(newImports);
	if (original.getHost() != null)
	bundle.setHost(createHostSpecification(original.getHost()));
	bundle.setStateBit(BundleDescriptionImpl.SINGLETON, original.isSingleton());
	bundle.setStateBit(BundleDescriptionImpl.ATTACH_FRAGMENTS, original.attachFragments());
	bundle.setStateBit(BundleDescriptionImpl.DYNAMIC_FRAGMENTS, original.dynamicFragments());
	bundle.setStateBit(BundleDescriptionImpl.HAS_DYNAMICIMPORT, original.hasDynamicImports());
	bundle.setPlatformFilter(original.getPlatformFilter());
	return bundle;
	}

	public BundleSpecification createBundleSpecification(String requiredSymbolicName, VersionRange requiredVersionRange, boolean export, boolean optional) {
	BundleSpecificationImpl bundleSpec = new BundleSpecificationImpl();
	bundleSpec.setName(requiredSymbolicName);
	bundleSpec.setVersionRange(requiredVersionRange);
	bundleSpec.setExported(export);
	bundleSpec.setOptional(optional);
	return bundleSpec;
	}

	public BundleSpecification createBundleSpecification(BundleSpecification original) {
	BundleSpecificationImpl bundleSpec = new BundleSpecificationImpl();
	bundleSpec.setName(original.getName());
	bundleSpec.setVersionRange(original.getVersionRange());
	bundleSpec.setExported(original.isExported());
	bundleSpec.setOptional(original.isOptional());
	return bundleSpec;
	}

	public HostSpecification createHostSpecification(String hostSymbolicName, VersionRange versionRange) {
	HostSpecificationImpl hostSpec = new HostSpecificationImpl();
	hostSpec.setName(hostSymbolicName);
	hostSpec.setVersionRange(versionRange);
	return hostSpec;
	}

	public HostSpecification createHostSpecification(HostSpecification original) {
	HostSpecificationImpl hostSpec = new HostSpecificationImpl();
	hostSpec.setName(original.getName());
	hostSpec.setVersionRange(original.getVersionRange());
	return hostSpec;
	}

	public ImportPackageSpecification createImportPackageSpecification(String packageName, VersionRange versionRange, String bundleSymbolicName, VersionRange bundleVersionRange, Map directives, Map attributes, BundleDescription importer) {
	ImportPackageSpecificationImpl packageSpec = new ImportPackageSpecificationImpl();
	packageSpec.setName(packageName);
	packageSpec.setVersionRange(versionRange);
	packageSpec.setBundleSymbolicName(bundleSymbolicName);
	packageSpec.setBundleVersionRange(bundleVersionRange);
	packageSpec.setDirectives(directives);
	packageSpec.setAttributes(attributes);
	packageSpec.setBundle(importer);
	return packageSpec;
	}

	public ImportPackageSpecification createImportPackageSpecification(ImportPackageSpecification original) {
	ImportPackageSpecificationImpl packageSpec = new ImportPackageSpecificationImpl();
	packageSpec.setName(original.getName());
	packageSpec.setVersionRange(original.getVersionRange());
	packageSpec.setBundleSymbolicName(original.getBundleSymbolicName());
	packageSpec.setBundleVersionRange(original.getBundleVersionRange());
	packageSpec.setDirectives(original.getDirectives());
	packageSpec.setAttributes(original.getAttributes());
	return packageSpec;
	}

	public ExportPackageDescription createExportPackageDescription(ExportPackageDescription original) {
	return createExportPackageDescription(original.getName(), original.getVersion(), original.getDirectives(), original.getAttributes(), original.isRoot(), null);
	}

	public ExportPackageDescription createExportPackageDescription(String packageName, Version version, Map directives, Map attributes, boolean root, BundleDescription exporter) {
	ExportPackageDescriptionImpl exportPackage = new ExportPackageDescriptionImpl();
	exportPackage.setName(packageName);
	exportPackage.setVersion(version);
	exportPackage.setDirectives(directives);
	exportPackage.setAttributes(attributes);
	exportPackage.setRoot(root);
	exportPackage.setExporter(exporter);
	return exportPackage;
	}

	public SystemState createSystemState() {
	SystemState state = new SystemState();
	state.setFactory(this);
	return state;
	}

	public State createState() {
	return internalCreateState();
	}

	public State createState(State original) {
	StateImpl newState = internalCreateState();
	newState.setTimeStamp(original.getTimeStamp());
	BundleDescription[] bundles = original.getBundles();
	for (int i = 0; i < bundles.length; i++)
	newState.basicAddBundle(createBundleDescription(bundles[i]));
	newState.setResolved(false);
	return newState;
	}

	private StateImpl internalCreateState() {
	StateImpl state = new UserState();
	state.setFactory(this);
	return state;
	}

	public SystemState readSystemState(File stateFile, File lazyFile, boolean lazyLoad, long expectedTimeStamp) throws IOException {
	StateReader reader = new StateReader(stateFile, lazyFile, lazyLoad);
	SystemState restoredState = new SystemState();
	restoredState.setReader(reader);
	restoredState.setFactory(this);
	if (!reader.loadState(restoredState, expectedTimeStamp))
	return null;
	return restoredState;
	}

	public State readState(InputStream stream) throws IOException {
	return internalReadStateDeprecated(internalCreateState(), new DataInputStream(stream), -1);
	}

	public State readState(DataInputStream stream) throws IOException {
	return internalReadStateDeprecated(internalCreateState(), stream, -1);
	}

	public State readState(File stateDirectory) throws IOException {
	return internalReadState(internalCreateState(), stateDirectory, -1);
	}

	private State internalReadStateDeprecated(StateImpl toRestore, DataInputStream stream, long expectedTimestamp) throws IOException {
	StateReader reader = new StateReader();
	if (!reader.loadStateDeprecated(toRestore, stream, expectedTimestamp))
	return null;
	return toRestore;
	}

	private State internalReadState(StateImpl toRestore, File stateDirectory, long expectedTimestamp) throws IOException {
	File stateFile = new File(stateDirectory, StateReader.STATE_FILE);
	File lazyFile = new File(stateDirectory, StateReader.LAZY_FILE);
	StateReader reader = new StateReader(stateFile, lazyFile, false);
	if (!reader.loadState(toRestore, expectedTimestamp))
	return null;
	return toRestore;
	}

	public void writeState(State state, DataOutputStream stream) throws IOException {
	internalWriteStateDeprecated(state, stream);
	}

	public void writeState(State state, File stateDirectory) throws IOException {
	if (stateDirectory == null)
	throw new IOException();
	StateWriter writer = new StateWriter();
	File stateFile = new File(stateDirectory, StateReader.STATE_FILE);
	File lazyFile = new File(stateDirectory, StateReader.LAZY_FILE);
	writer.saveState((StateImpl) state, stateFile, lazyFile);
	}

	public void writeState(State state, OutputStream stream) throws IOException {
	internalWriteStateDeprecated(state, new DataOutputStream(stream));
	}

	public void writeState(State state, File stateFile, File lazyFile) throws IOException {
	StateWriter writer = new StateWriter();
	writer.saveState((StateImpl) state, stateFile, lazyFile);
	}

	public void internalWriteStateDeprecated(State state, DataOutputStream stream) throws IOException {
	if (state.getFactory() != this)
	throw new IllegalArgumentException();
	StateWriter writer = new StateWriter();
	writer.saveStateDeprecated((StateImpl) state, stream);
	}
	}