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/*******************************************************************************
* Copyright (c) 2007, 2011 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
* Rob Harrop - SpringSource Inc. (bug 247522)
*******************************************************************************/
package org.eclipse.osgi.internal.resolver;
import org.eclipse.osgi.internal.framework.AliasMapper;
import java.util.*;
import org.eclipse.osgi.service.resolver.*;
import org.osgi.framework.Constants;
import org.osgi.framework.Filter;
import org.osgi.framework.Version;
public class NativeCodeSpecificationImpl extends VersionConstraintImpl implements NativeCodeSpecification {
private static final NativeCodeDescription[] EMPTY_NATIVECODEDESCRIPTIONS = new NativeCodeDescription[0];
private static AliasMapper aliasMapper = new AliasMapper();
private NativeCodeDescription[] possibleSuppliers;
private boolean optional;
public NativeCodeDescription[] getPossibleSuppliers() {
synchronized (this.monitor) {
if (possibleSuppliers == null)
return EMPTY_NATIVECODEDESCRIPTIONS;
return possibleSuppliers;
}
}
void setPossibleSuppliers(NativeCodeDescription[] possibleSuppliers) {
synchronized (this.monitor) {
this.possibleSuppliers = possibleSuppliers;
}
}
public boolean isOptional() {
synchronized (this.monitor) {
return optional;
}
}
void setOptional(boolean optional) {
synchronized (this.monitor) {
this.optional = optional;
}
}
public boolean isSatisfiedBy(BaseDescription supplier) {
if (!(supplier instanceof NativeCodeDescription))
return false;
State containingState = getBundle().getContainingState();
if (containingState == null)
return false;
Dictionary<Object, Object>[] platformProps = containingState.getPlatformProperties();
NativeCodeDescription nativeSupplier = (NativeCodeDescription) supplier;
Filter filter = nativeSupplier.getFilter();
boolean match = false;
for (int i = 0; i < platformProps.length && !match; i++) {
@SuppressWarnings("rawtypes")
Dictionary props = platformProps[i];
if (filter != null && !filter.matchCase(props))
continue;
String[] osNames = nativeSupplier.getOSNames();
if (osNames.length == 0)
match = true;
else {
Object platformOS = platformProps[i].get(Constants.FRAMEWORK_OS_NAME);
Object aliasedPlatformOS = platformOS == null || !(platformOS instanceof String) ? platformOS : aliasMapper.aliasOSName((String) platformOS);
Object[] platformOSes;
if (aliasedPlatformOS instanceof Collection)
platformOSes = ((Collection<?>) aliasedPlatformOS).toArray();
else
platformOSes = aliasedPlatformOS == null ? new Object[0] : new Object[] {aliasedPlatformOS};
for (int j = 0; j < osNames.length && !match; j++) {
Object aliasedName = aliasMapper.aliasOSName(osNames[j]);
for (int k = 0; k < platformOSes.length; k++) {
if (aliasedName instanceof String) {
if (platformOSes[k].equals(aliasedName))
match = true;
} else {
for (Iterator<?> iAliases = ((Collection<?>) aliasedName).iterator(); iAliases.hasNext() && !match;)
if (platformOSes[k].equals(iAliases.next()))
match = true;
}
}
}
}
if (!match)
continue;
match = false;
String[] processors = nativeSupplier.getProcessors();
if (processors.length == 0)
match = true;
else {
Object platformProcessor = platformProps[i].get(Constants.FRAMEWORK_PROCESSOR);
Object aliasedPlatformProcessor = platformProcessor == null || !(platformProcessor instanceof String) ? platformProcessor : aliasMapper.aliasProcessor((String) platformProcessor);
if (aliasedPlatformProcessor != null)
for (int j = 0; j < processors.length && !match; j++) {
String aliasedProcessor = aliasMapper.aliasProcessor(processors[j]);
if (aliasedPlatformProcessor.equals(aliasedProcessor))
match = true;
}
}
if (!match)
return false;
match = false;
String[] languages = nativeSupplier.getLanguages();
if (languages.length == 0)
match = true;
else {
Object platformLanguage = platformProps[i].get(Constants.FRAMEWORK_LANGUAGE);
if (platformLanguage != null)
for (int j = 0; j < languages.length && !match; j++) {
if ((platformLanguage instanceof String) ? ((String) platformLanguage).equalsIgnoreCase(languages[j]) : platformLanguage.equals(languages[j]))
match = true;
}
}
if (!match)
return false;
match = false;
VersionRange[] osVersions = nativeSupplier.getOSVersions();
if (osVersions.length == 0 || platformProps[i].get(Constants.FRAMEWORK_OS_VERSION) == null)
match = true;
else {
Version osversion;
try {
osversion = Version.parseVersion((String) platformProps[i].get(Constants.FRAMEWORK_OS_VERSION));
} catch (Exception e) {
osversion = Version.emptyVersion;
}
for (int j = 0; j < osVersions.length && !match; j++) {
if (osVersions[j].isIncluded(osversion))
match = true;
}
}
}
return match;
}
@Override
protected boolean hasMandatoryAttributes(String[] mandatory) {
return true;
}
public String toString() {
StringBuffer sb = new StringBuffer();
NativeCodeDescription[] suppliers = getPossibleSuppliers();
for (int i = 0; i < suppliers.length; i++) {
if (i > 0)
sb.append(", "); //$NON-NLS-1$
sb.append(suppliers[i].toString());
}
return sb.toString();
}
@SuppressWarnings("unchecked")
protected Map<String, String> getInternalDirectives() {
return Collections.EMPTY_MAP;
}
@SuppressWarnings("unchecked")
protected Map<String, Object> getInteralAttributes() {
return Collections.EMPTY_MAP;
}
@Override
protected String getInternalNameSpace() {
return null;
}
}
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