/* | |
* 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.chemistry.opencmis.client.bindings.spi.atompub; | |
import java.io.IOException; | |
import java.io.OutputStream; | |
import java.util.ArrayList; | |
import java.util.List; | |
import org.apache.chemistry.opencmis.client.bindings.spi.BindingSession; | |
import org.apache.chemistry.opencmis.client.bindings.spi.atompub.objects.AtomElement; | |
import org.apache.chemistry.opencmis.client.bindings.spi.atompub.objects.AtomEntry; | |
import org.apache.chemistry.opencmis.client.bindings.spi.atompub.objects.AtomFeed; | |
import org.apache.chemistry.opencmis.client.bindings.spi.atompub.objects.AtomLink; | |
import org.apache.chemistry.opencmis.client.bindings.spi.http.Output; | |
import org.apache.chemistry.opencmis.client.bindings.spi.http.Response; | |
import org.apache.chemistry.opencmis.commons.PropertyIds; | |
import org.apache.chemistry.opencmis.commons.data.ExtensionsData; | |
import org.apache.chemistry.opencmis.commons.data.ObjectData; | |
import org.apache.chemistry.opencmis.commons.exceptions.CmisInvalidArgumentException; | |
import org.apache.chemistry.opencmis.commons.impl.Constants; | |
import org.apache.chemistry.opencmis.commons.impl.UrlBuilder; | |
import org.apache.chemistry.opencmis.commons.spi.PolicyService; | |
/** | |
* Policy Service AtomPub client. | |
*/ | |
public class PolicyServiceImpl extends AbstractAtomPubService implements PolicyService { | |
/** | |
* Constructor. | |
*/ | |
public PolicyServiceImpl(BindingSession session) { | |
setSession(session); | |
} | |
public void applyPolicy(String repositoryId, String policyId, String objectId, ExtensionsData extension) { | |
// find the link | |
String link = loadLink(repositoryId, objectId, Constants.REL_POLICIES, Constants.MEDIATYPE_FEED); | |
if (link == null) { | |
throwLinkException(repositoryId, objectId, Constants.REL_POLICIES, Constants.MEDIATYPE_FEED); | |
} | |
UrlBuilder url = new UrlBuilder(link); | |
// set up object and writer | |
final AtomEntryWriter entryWriter = new AtomEntryWriter(createIdObject(objectId), getCmisVersion(repositoryId)); | |
// post applyPolicy request | |
post(url, Constants.MEDIATYPE_ENTRY, new Output() { | |
public void write(OutputStream out) throws IOException { | |
entryWriter.write(out); | |
} | |
}); | |
} | |
public List<ObjectData> getAppliedPolicies(String repositoryId, String objectId, String filter, | |
ExtensionsData extension) { | |
List<ObjectData> result = new ArrayList<ObjectData>(); | |
// find the link | |
String link = loadLink(repositoryId, objectId, Constants.REL_POLICIES, Constants.MEDIATYPE_FEED); | |
if (link == null) { | |
throwLinkException(repositoryId, objectId, Constants.REL_POLICIES, Constants.MEDIATYPE_FEED); | |
} | |
UrlBuilder url = new UrlBuilder(link); | |
url.addParameter(Constants.PARAM_FILTER, filter); | |
// read and parse | |
Response resp = read(url); | |
AtomFeed feed = parse(resp.getStream(), AtomFeed.class); | |
// get the policies | |
if (!feed.getEntries().isEmpty()) { | |
for (AtomEntry entry : feed.getEntries()) { | |
ObjectData policy = null; | |
// walk through the entry | |
for (AtomElement element : entry.getElements()) { | |
if (element.getObject() instanceof ObjectData) { | |
policy = (ObjectData) element.getObject(); | |
} | |
} | |
if (policy != null) { | |
result.add(policy); | |
} | |
} | |
} | |
return result; | |
} | |
public void removePolicy(String repositoryId, String policyId, String objectId, ExtensionsData extension) { | |
// we need a policy id | |
if (policyId == null) { | |
throw new CmisInvalidArgumentException("Policy id must be set!"); | |
} | |
// find the link | |
String link = loadLink(repositoryId, objectId, Constants.REL_POLICIES, Constants.MEDIATYPE_FEED); | |
if (link == null) { | |
throwLinkException(repositoryId, objectId, Constants.REL_POLICIES, Constants.MEDIATYPE_FEED); | |
} | |
UrlBuilder url = new UrlBuilder(link); | |
url.addParameter(Constants.PARAM_FILTER, PropertyIds.OBJECT_ID); | |
// read and parse | |
Response resp = read(url); | |
AtomFeed feed = parse(resp.getStream(), AtomFeed.class); | |
// find the policy | |
String policyLink = null; | |
boolean found = false; | |
if (!feed.getEntries().isEmpty()) { | |
for (AtomEntry entry : feed.getEntries()) { | |
// walk through the entry | |
for (AtomElement element : entry.getElements()) { | |
if (element.getObject() instanceof AtomLink) { | |
AtomLink atomLink = (AtomLink) element.getObject(); | |
if (Constants.REL_SELF.equals(atomLink.getRel())) { | |
policyLink = atomLink.getHref(); | |
} | |
} else if (element.getObject() instanceof ObjectData) { | |
String id = ((ObjectData) element.getObject()).getId(); | |
if (policyId.equals(id)) { | |
found = true; | |
} | |
} | |
} | |
if (found) { | |
break; | |
} | |
} | |
} | |
// if found, delete it | |
if (found && (policyLink != null)) { | |
delete(new UrlBuilder(policyLink)); | |
} | |
} | |
} |