/*
* 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.jackrabbit.webdav.simple;
import org.apache.jackrabbit.util.Text;
import org.apache.jackrabbit.webdav.DavLocatorFactory;
import org.apache.jackrabbit.webdav.DavResourceLocator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* ResourceFactoryImpl implements a simple DavLocatorFactory
*/
// todo improve special handling of root item....
public class LocatorFactoryImpl implements DavLocatorFactory {
/** the default logger */
private static final Logger log = LoggerFactory.getLogger(LocatorFactoryImpl.class);
private final String repositoryPrefix;
public LocatorFactoryImpl(String repositoryPrefix) {
this.repositoryPrefix = repositoryPrefix;
}
public DavResourceLocator createResourceLocator(String prefix, String href) {
// build prefix string and remove all prefixes from the given href.
StringBuffer b = new StringBuffer("");
if (prefix != null && prefix.length() > 0) {
b.append(prefix);
if (href.startsWith(prefix)) {
href = href.substring(prefix.length());
}
}
if (repositoryPrefix != null && repositoryPrefix.length() > 0 && !prefix.endsWith(repositoryPrefix)) {
b.append(repositoryPrefix);
if (href.startsWith(repositoryPrefix)) {
href = href.substring(repositoryPrefix.length());
}
}
// special treatment for root item, that has no name but '/' path.
if (href == null || "".equals(href)) {
href = "/";
}
return new Locator(b.toString(), Text.unescape(href), this);
}
public DavResourceLocator createResourceLocator(String prefix, String workspacePath, String resourcePath) {
return createResourceLocator(prefix, workspacePath, resourcePath, true);
}
public DavResourceLocator createResourceLocator(String prefix, String workspacePath, String path, boolean isResourcePath) {
return new Locator(prefix, path, this);
}
//--------------------------------------------------------------------------
private class Locator implements DavResourceLocator {
private final String prefix;
private final String resourcePath;
private final DavLocatorFactory factory;
private final String href;
private Locator(String prefix, String resourcePath, DavLocatorFactory factory) {
this.prefix = prefix;
this.factory = factory;
// remove trailing '/' that is not part of the resourcePath except for the root item.
if (resourcePath.endsWith("/") && !"/".equals(resourcePath)) {
resourcePath = resourcePath.substring(0, resourcePath.length()-1);
}
this.resourcePath = resourcePath;
href = prefix + Text.escapePath(resourcePath);
}
public String getPrefix() {
return prefix;
}
public String getResourcePath() {
return resourcePath;
}
public String getWorkspacePath() {
return "";
}
public String getWorkspaceName() {
return "";
}
public boolean isSameWorkspace(DavResourceLocator locator) {
return isSameWorkspace(locator.getWorkspaceName());
}
public boolean isSameWorkspace(String workspaceName) {
return getWorkspaceName().equals(workspaceName);
}
public String getHref(boolean isCollection) {
// avoid doubled trailing '/' for the root item
String suffix = (isCollection && !isRootLocation()) ? "/" : "";
return href + suffix;
}
public boolean isRootLocation() {
return "/".equals(resourcePath);
}
public DavLocatorFactory getFactory() {
return factory;
}
/**
* Returns the same as {@link #getResourcePath()}. No encoding is performed
* at all.
* @see DavResourceLocator#getRepositoryPath()
*/
public String getRepositoryPath() {
return getResourcePath();
}
/**
* Computes the hash code from the href, which is built using the final
* fields prefix and resourcePath.
*
* @return the hash code
*/
@Override
public int hashCode() {
return href.hashCode();
}
/**
* Equality of path is achieved if the specified object is a <code>DavResourceLocator</code>
* object with the same hash code.
*
* @param obj the object to compare to
* @return <code>true</code> if the 2 objects are equal;
* <code>false</code> otherwise
*/
@Override
public boolean equals(Object obj) {
if (obj instanceof DavResourceLocator) {
DavResourceLocator other = (DavResourceLocator) obj;
return hashCode() == other.hashCode();
}
return false;
}
}
}