/*
* 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 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.apache.lenya.cms.linking;
import java.net.MalformedURLException;
import java.util.StringTokenizer;
import org.apache.lenya.util.Query;
/**
* A link to a document.
*/
public class Link {
protected static final String PAIR_DELIMITER = ",";
protected static final String KEY_VALUE_DELIMITER = "=";
private String uuid;
private String language;
private String revision;
private String area;
private String pubId;
/**
* Ctor.
*/
public Link() {
}
/**
* Ctor.
* @param linkUri The link URI.
* @throws MalformedURLException if the URI doesn't represent a link.
*/
public Link(String linkUri) throws MalformedURLException {
if (!linkUri.startsWith(LinkResolver.SCHEME + ":")) {
throw new MalformedURLException("The string [" + linkUri + "] is not a valid link URI!");
}
StringTokenizer schemeAndPath = new StringTokenizer(linkUri, ":");
schemeAndPath.nextToken();
if (schemeAndPath.hasMoreTokens()) {
String path = schemeAndPath.nextToken();
if (path.indexOf(PAIR_DELIMITER) > -1) {
int firstDelimiterIndex = path.indexOf(PAIR_DELIMITER);
this.uuid = path.substring(0, firstDelimiterIndex);
String pathQueryString = path.substring(firstDelimiterIndex + 1);
Query query = new Query(pathQueryString, PAIR_DELIMITER, KEY_VALUE_DELIMITER);
this.pubId = query.getValue("pub");
this.area = query.getValue("area");
this.language = query.getValue("lang");
this.revision = query.getValue("rev");
} else {
this.uuid = path;
}
}
}
/**
* @return The area.
*/
public String getArea() {
return area;
}
/**
* @param area The area.
*/
public void setArea(String area) {
this.area = area;
}
/**
* @return The language.
*/
public String getLanguage() {
return language;
}
/**
* @param language The language.
*/
public void setLanguage(String language) {
this.language = language;
}
/**
* @return The publication ID.
*/
public String getPubId() {
return pubId;
}
/**
* @param pubId The publication ID.
*/
public void setPubId(String pubId) {
this.pubId = pubId;
}
/**
* @return The revision.
*/
public String getRevision() {
return revision;
}
/**
* @param revision The revision.
*/
public void setRevision(String revision) {
this.revision = revision;
}
/**
* @return The UUID.
*/
public String getUuid() {
return uuid;
}
/**
* @param uuid The UUID.
*/
public void setUuid(String uuid) {
this.uuid = uuid;
}
/**
* @return The link URI.
*/
public String getUri() {
String uri = LinkResolver.SCHEME + ":";
if (this.uuid != null) {
uri = uri + this.uuid;
}
if (this.language != null) {
uri = uri + ",lang=" + this.language;
}
if (this.area != null) {
uri = uri + ",area=" + this.area;
}
if (this.pubId != null) {
uri = uri + ",pub=" + this.pubId;
}
if (this.revision != null) {
uri = uri + ",rev=" + this.revision;
}
return uri;
}
public boolean equals(Object obj) {
if (!getClass().isInstance(obj)) {
return false;
}
return ((Link) obj).getUri().equals(getUri());
}
public int hashCode() {
return getUri().hashCode();
}
public String toString() {
return getUri();
}
}