/* | |
* 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.math.BigInteger; | |
import java.util.ArrayList; | |
import java.util.HashMap; | |
import java.util.List; | |
import java.util.Map; | |
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.data.ExtensionsData; | |
import org.apache.chemistry.opencmis.commons.data.RepositoryInfo; | |
import org.apache.chemistry.opencmis.commons.definitions.TypeDefinition; | |
import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionContainer; | |
import org.apache.chemistry.opencmis.commons.definitions.TypeDefinitionList; | |
import org.apache.chemistry.opencmis.commons.exceptions.CmisConnectionException; | |
import org.apache.chemistry.opencmis.commons.exceptions.CmisInvalidArgumentException; | |
import org.apache.chemistry.opencmis.commons.exceptions.CmisObjectNotFoundException; | |
import org.apache.chemistry.opencmis.commons.impl.Constants; | |
import org.apache.chemistry.opencmis.commons.impl.UrlBuilder; | |
import org.apache.chemistry.opencmis.commons.impl.dataobjects.TypeDefinitionContainerImpl; | |
import org.apache.chemistry.opencmis.commons.impl.dataobjects.TypeDefinitionListImpl; | |
import org.apache.chemistry.opencmis.commons.spi.RepositoryService; | |
/** | |
* Repository Service AtomPub client. | |
*/ | |
public class RepositoryServiceImpl extends AbstractAtomPubService implements RepositoryService { | |
/** | |
* Constructor. | |
*/ | |
public RepositoryServiceImpl(BindingSession session) { | |
setSession(session); | |
} | |
public List<RepositoryInfo> getRepositoryInfos(ExtensionsData extension) { | |
return getRepositoriesInternal(null); | |
} | |
public RepositoryInfo getRepositoryInfo(String repositoryId, ExtensionsData extension) { | |
List<RepositoryInfo> repositoryInfos = getRepositoriesInternal(repositoryId); | |
if (repositoryInfos.size() == 0) { | |
throw new CmisObjectNotFoundException("Repository '" + repositoryId + "'not found!"); | |
} | |
if (repositoryInfos.size() == 1) { | |
return repositoryInfos.get(0); | |
} | |
// find the repository | |
for (RepositoryInfo info : repositoryInfos) { | |
if (info.getId() == null) { | |
continue; | |
} | |
if (info.getId().equals(repositoryId)) { | |
return info; | |
} | |
} | |
throw new CmisObjectNotFoundException("Repository '" + repositoryId + "'not found!"); | |
} | |
public TypeDefinition getTypeDefinition(String repositoryId, String typeId, ExtensionsData extension) { | |
return getTypeDefinitionInternal(repositoryId, typeId); | |
} | |
public TypeDefinitionList getTypeChildren(String repositoryId, String typeId, Boolean includePropertyDefinitions, | |
BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) { | |
TypeDefinitionListImpl result = new TypeDefinitionListImpl(); | |
// find the link | |
String link = null; | |
if (typeId == null) { | |
link = loadCollection(repositoryId, Constants.COLLECTION_TYPES); | |
} else { | |
link = loadTypeLink(repositoryId, typeId, Constants.REL_DOWN, Constants.MEDIATYPE_CHILDREN); | |
} | |
if (link == null) { | |
throw new CmisObjectNotFoundException("Unknown repository or type!"); | |
} | |
UrlBuilder url = new UrlBuilder(link); | |
url.addParameter(Constants.PARAM_PROPERTY_DEFINITIONS, includePropertyDefinitions); | |
url.addParameter(Constants.PARAM_MAX_ITEMS, maxItems); | |
url.addParameter(Constants.PARAM_SKIP_COUNT, skipCount); | |
// read and parse | |
Response resp = read(url); | |
AtomFeed feed = parse(resp.getStream(), AtomFeed.class); | |
// handle top level | |
for (AtomElement element : feed.getElements()) { | |
if (element.getObject() instanceof AtomLink) { | |
if (isNextLink(element)) { | |
result.setHasMoreItems(Boolean.TRUE); | |
} | |
} else if (isInt(NAME_NUM_ITEMS, element)) { | |
result.setNumItems((BigInteger) element.getObject()); | |
} | |
} | |
result.setList(new ArrayList<TypeDefinition>(feed.getEntries().size())); | |
// get the children | |
if (!feed.getEntries().isEmpty()) { | |
for (AtomEntry entry : feed.getEntries()) { | |
TypeDefinition child = null; | |
lockTypeLinks(); | |
try { | |
// walk through the entry | |
for (AtomElement element : entry.getElements()) { | |
if (element.getObject() instanceof AtomLink) { | |
addTypeLink(repositoryId, entry.getId(), (AtomLink) element.getObject()); | |
} else if (element.getObject() instanceof TypeDefinition) { | |
child = (TypeDefinition) element.getObject(); | |
} | |
} | |
} finally { | |
unlockTypeLinks(); | |
} | |
if (child != null) { | |
result.getList().add(child); | |
} | |
} | |
} | |
return result; | |
} | |
public List<TypeDefinitionContainer> getTypeDescendants(String repositoryId, String typeId, BigInteger depth, | |
Boolean includePropertyDefinitions, ExtensionsData extension) { | |
List<TypeDefinitionContainer> result = new ArrayList<TypeDefinitionContainer>(); | |
// find the link | |
String link = null; | |
if (typeId == null) { | |
link = loadRepositoryLink(repositoryId, Constants.REP_REL_TYPEDESC); | |
} else { | |
link = loadTypeLink(repositoryId, typeId, Constants.REL_DOWN, Constants.MEDIATYPE_DESCENDANTS); | |
} | |
if (link == null) { | |
throw new CmisObjectNotFoundException("Unknown repository or type!"); | |
} | |
UrlBuilder url = new UrlBuilder(link); | |
url.addParameter(Constants.PARAM_DEPTH, depth); | |
url.addParameter(Constants.PARAM_PROPERTY_DEFINITIONS, includePropertyDefinitions); | |
// read and parse | |
Response resp = read(url); | |
AtomFeed feed = parse(resp.getStream(), AtomFeed.class); | |
// process tree | |
addTypeDescendantsLevel(repositoryId, feed, result); | |
return result; | |
} | |
/** | |
* Adds type descendants level recursively. | |
*/ | |
private void addTypeDescendantsLevel(String repositoryId, AtomFeed feed, List<TypeDefinitionContainer> containerList) { | |
if ((feed == null) || (feed.getEntries().isEmpty())) { | |
return; | |
} | |
// walk through the feed | |
for (AtomEntry entry : feed.getEntries()) { | |
TypeDefinitionContainerImpl childContainer = null; | |
List<TypeDefinitionContainer> childContainerList = new ArrayList<TypeDefinitionContainer>(); | |
// walk through the entry | |
lockTypeLinks(); | |
try { | |
for (AtomElement element : entry.getElements()) { | |
if (element.getObject() instanceof AtomLink) { | |
addTypeLink(repositoryId, entry.getId(), (AtomLink) element.getObject()); | |
} else if (element.getObject() instanceof TypeDefinition) { | |
childContainer = new TypeDefinitionContainerImpl((TypeDefinition) element.getObject()); | |
} else if (element.getObject() instanceof AtomFeed) { | |
addTypeDescendantsLevel(repositoryId, (AtomFeed) element.getObject(), childContainerList); | |
} | |
} | |
} finally { | |
unlockTypeLinks(); | |
} | |
if (childContainer != null) { | |
childContainer.setChildren(childContainerList); | |
containerList.add(childContainer); | |
} | |
} | |
} | |
public TypeDefinition createType(String repositoryId, TypeDefinition type, ExtensionsData extension) { | |
if (type == null) { | |
throw new CmisInvalidArgumentException("Type definition must be set!"); | |
} | |
String parentId = type.getParentTypeId(); | |
if (parentId == null) { | |
throw new CmisInvalidArgumentException("Type definition has no parent type id!"); | |
} | |
// find the link | |
String link = loadTypeLink(repositoryId, parentId, Constants.REL_DOWN, Constants.MEDIATYPE_CHILDREN); | |
if (link == null) { | |
throw new CmisObjectNotFoundException("Unknown repository or parent type!"); | |
} | |
// set up writer | |
final AtomEntryWriter entryWriter = new AtomEntryWriter(type, getCmisVersion(repositoryId)); | |
// post the new type definition | |
Response resp = post(new UrlBuilder(link), Constants.MEDIATYPE_ENTRY, new Output() { | |
public void write(OutputStream out) throws IOException { | |
entryWriter.write(out); | |
} | |
}); | |
// parse the response | |
AtomEntry entry = parse(resp.getStream(), AtomEntry.class); | |
// we expect a CMIS entry | |
if (entry.getId() == null) { | |
throw new CmisConnectionException("Received Atom entry is not a CMIS entry!"); | |
} | |
lockTypeLinks(); | |
TypeDefinition result = null; | |
try { | |
// clean up cache | |
removeTypeLinks(repositoryId, entry.getId()); | |
// walk through the entry | |
for (AtomElement element : entry.getElements()) { | |
if (element.getObject() instanceof AtomLink) { | |
addTypeLink(repositoryId, entry.getId(), (AtomLink) element.getObject()); | |
} else if (element.getObject() instanceof TypeDefinition) { | |
result = (TypeDefinition) element.getObject(); | |
} | |
} | |
} finally { | |
unlockTypeLinks(); | |
} | |
return result; | |
} | |
public TypeDefinition updateType(String repositoryId, TypeDefinition type, ExtensionsData extension) { | |
if (type == null) { | |
throw new CmisInvalidArgumentException("Type definition must be set!"); | |
} | |
String typeId = type.getId(); | |
if (typeId == null) { | |
throw new CmisInvalidArgumentException("Type definition has no type id!"); | |
} | |
// find the link | |
Map<String, Object> parameters = new HashMap<String, Object>(); | |
parameters.put(Constants.PARAM_ID, typeId); | |
String link = loadTemplateLink(repositoryId, Constants.TEMPLATE_TYPE_BY_ID, parameters); | |
if (link == null) { | |
throw new CmisObjectNotFoundException("Unknown repository or type!"); | |
} | |
// set up writer | |
final AtomEntryWriter entryWriter = new AtomEntryWriter(type, getCmisVersion(repositoryId)); | |
// post the new type definition | |
Response resp = put(new UrlBuilder(link), Constants.MEDIATYPE_ENTRY, new Output() { | |
public void write(OutputStream out) throws IOException { | |
entryWriter.write(out); | |
} | |
}); | |
// parse the response | |
AtomEntry entry = parse(resp.getStream(), AtomEntry.class); | |
// we expect a CMIS entry | |
if (entry.getId() == null) { | |
throw new CmisConnectionException("Received Atom entry is not a CMIS entry!"); | |
} | |
lockTypeLinks(); | |
TypeDefinition result = null; | |
try { | |
// clean up cache | |
removeTypeLinks(repositoryId, entry.getId()); | |
// walk through the entry | |
for (AtomElement element : entry.getElements()) { | |
if (element.getObject() instanceof AtomLink) { | |
addTypeLink(repositoryId, entry.getId(), (AtomLink) element.getObject()); | |
} else if (element.getObject() instanceof TypeDefinition) { | |
result = (TypeDefinition) element.getObject(); | |
} | |
} | |
} finally { | |
unlockTypeLinks(); | |
} | |
return result; | |
} | |
public void deleteType(String repositoryId, String typeId, ExtensionsData extension) { | |
Map<String, Object> parameters = new HashMap<String, Object>(); | |
parameters.put(Constants.PARAM_ID, typeId); | |
String link = loadTemplateLink(repositoryId, Constants.TEMPLATE_TYPE_BY_ID, parameters); | |
if (link == null) { | |
throw new CmisObjectNotFoundException("Unknown repository!"); | |
} | |
delete(new UrlBuilder(link)); | |
} | |
} |