/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 WARRANTIESOR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.aries.application.impl;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.aries.application.Content;
import org.apache.aries.application.VersionRange;
import org.apache.aries.application.utils.internal.MessageUtil;
import org.apache.aries.application.utils.manifest.ManifestHeaderProcessor;
import org.apache.aries.application.utils.manifest.ManifestHeaderProcessor.NameValueMap;
import org.osgi.framework.Constants;
import org.osgi.framework.Version;
/**
* Implementation of Content
*
*/
public final class ContentImpl implements Content
{
private String contentName;
protected Map<String, String> attributes;
private Map<String, String> directives;
private NameValueMap<String, String> nameValueMap;
/**
*
* @param content Application-Content, Import-Package content
*/
public ContentImpl(String content) {
Map<String, NameValueMap<String, String>> appContentsMap = ManifestHeaderProcessor.parseImportString(content);
if (appContentsMap.size() != 1) {
throw new IllegalArgumentException(MessageUtil.getMessage("APPUTILS0004E",content));
}
for (Map.Entry<String, NameValueMap<String, String>> entry : appContentsMap.entrySet()) {
this.contentName = entry.getKey();
this.nameValueMap= entry.getValue();
setup();
break;
}
}
public ContentImpl (String bundleSymbolicName, Version version) {
this.contentName = bundleSymbolicName;
this.nameValueMap = new NameValueMap<String, String>();
nameValueMap.put("version", version.toString());
setup();
}
/**
*
* @param contentName
* @param nameValueMap
*/
public ContentImpl(String contentName, NameValueMap<String, String> nameValueMap) {
this.contentName = contentName;
this.nameValueMap= nameValueMap;
setup();
}
public String getContentName() {
return this.contentName;
}
public Map<String, String> getAttributes() {
return Collections.unmodifiableMap(this.attributes);
}
public Map<String, String> getDirectives() {
return Collections.unmodifiableMap(this.directives);
}
public String getAttribute(String key) {
String toReturn = this.attributes.get(key);
return toReturn;
}
/**
* add key value to the attributes map
* @param key
* @param value
*/
public void addAttribute(String key, String value) {
this.attributes.put(key, value);
}
public String getDirective(String key) {
String toReturn = this.directives.get(key);
return toReturn;
}
public NameValueMap<String, String> getNameValueMap() {
NameValueMap<String, String> nvm = new NameValueMap<String, String>();
for (String key : this.nameValueMap.keySet()) {
nvm.addToCollection(key, this.nameValueMap.get(key));
}
return nvm;
}
/**
* add key value to the directives map
* @param key
* @param value
*/
public void addDirective(String key, String value) {
this.directives.put(key, value);
}
public VersionRange getVersion() {
VersionRange vi = null;
if (this.attributes.get(Constants.VERSION_ATTRIBUTE) != null
&& this.attributes.get(Constants.VERSION_ATTRIBUTE).length() > 0) {
vi = ManifestHeaderProcessor.parseVersionRange(this.attributes.get(Constants.VERSION_ATTRIBUTE));
} else {
// what if version is not specified? let's interpret it as 0.0.0
vi = ManifestHeaderProcessor.parseVersionRange("0.0.0");
}
return vi;
}
@Override
public String toString()
{
return this.contentName + ";" + this.nameValueMap.toString();
}
@Override
public boolean equals(Object other)
{
if (other == this) return true;
if (other == null) return false;
if (other instanceof ContentImpl) {
ContentImpl otherContent = (ContentImpl)other;
Map<String,String> attributesWithoutVersion = attributes;
if (attributes.containsKey("version")) {
attributesWithoutVersion = new HashMap<String, String>(attributes);
attributesWithoutVersion.remove("version");
}
Map<String, String> otherAttributesWithoutVersion = otherContent.attributes;
if (otherContent.attributes.containsKey("version")) {
otherAttributesWithoutVersion = new HashMap<String, String>(otherContent.attributes);
otherAttributesWithoutVersion.remove("version");
}
return contentName.equals(otherContent.contentName) &&
attributesWithoutVersion.equals(otherAttributesWithoutVersion) &&
directives.equals(otherContent.directives) &&
getVersion().equals(otherContent.getVersion());
}
return false;
}
@Override
public int hashCode()
{
return contentName.hashCode();
}
/**
* set up directives and attributes
*/
protected void setup() {
this.attributes = new HashMap<String, String>();
this.directives = new HashMap<String, String>();
for (String key : this.nameValueMap.keySet()) {
if (key.endsWith(":")) {
this.directives.put(key.substring(0, key.length() - 1), this.nameValueMap.get(key));
} else {
this.attributes.put(key, this.nameValueMap.get(key));
}
}
}
}