/*
* 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 static org.apache.chemistry.opencmis.commons.impl.Converter.convert;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import org.apache.chemistry.opencmis.client.bindings.spi.Session;
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.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.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.impl.jaxb.CmisTypeDefinitionType;
import org.apache.chemistry.opencmis.commons.spi.RepositoryService;
/**
* Repository Service AtomPub client.
*
* @author <a href="mailto:fmueller@opentext.com">Florian Müller</a>
*
*/
public class RepositoryServiceImpl extends AbstractAtomPubService implements RepositoryService {
/**
* Constructor.
*/
public RepositoryServiceImpl(Session session) {
setSession(session);
}
/*
* (non-Javadoc)
*
* @see
* org.apache.opencmis.client.provider.RepositoryService#getRepositoryInfos
* (org.apache.opencmis .client.provider .ExtensionsData)
*/
public List<RepositoryInfo> getRepositoryInfos(ExtensionsData extension) {
return getRepositoriesInternal(null);
}
/*
* (non-Javadoc)
*
* @see
* org.apache.opencmis.client.provider.RepositoryService#getRepositoryInfo
* (java.lang.String, org.apache.opencmis.client.provider.ExtensionsData)
*/
public RepositoryInfo getRepositoryInfo(String repositoryId, ExtensionsData extension) {
List<RepositoryInfo> repositoryInfos = getRepositoriesInternal(repositoryId);
// find the repository
for (RepositoryInfo info : repositoryInfos) {
if (info.getId() == null) {
continue;
}
if (info.getId().equals(repositoryId)) {
return info;
}
}
throw new CmisObjectNotFoundException("Repository not found!");
}
/*
* (non-Javadoc)
*
* @see
* org.apache.opencmis.client.provider.RepositoryService#getTypeDefinition
* (java.lang.String, java.lang.String,
* org.apache.opencmis.client.provider.ExtensionsData)
*/
public TypeDefinition getTypeDefinition(String repositoryId, String typeId, ExtensionsData extension) {
return getTypeDefinitionInternal(repositoryId, typeId);
}
/*
* (non-Javadoc)
*
* @see
* org.apache.opencmis.client.provider.RepositoryService#getTypeChildren
* (java.lang.String, java.lang.String, java.lang.Boolean,
* java.math.BigInteger, java.math.BigInteger,
* org.apache.opencmis.client.provider.ExtensionsData)
*/
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_TYPE_ID, typeId);
url.addParameter(Constants.PARAM_PROPERTY_DEFINITIONS, includePropertyDefinitions);
url.addParameter(Constants.PARAM_MAX_ITEMS, maxItems);
url.addParameter(Constants.PARAM_SKIP_COUNT, skipCount);
// read and parse
HttpUtils.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 CmisTypeDefinitionType) {
child = convert((CmisTypeDefinitionType) element.getObject());
}
}
} finally {
unlockTypeLinks();
}
if (child != null) {
result.getList().add(child);
}
}
}
return result;
}
/*
* (non-Javadoc)
*
* @see
* org.apache.opencmis.client.provider.RepositoryService#getTypeDescendants
* (java.lang.String, java.lang.String, java.math.BigInteger,
* java.lang.Boolean, org.apache.opencmis.client.provider.ExtensionsData)
*/
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_TYPE_ID, typeId);
url.addParameter(Constants.PARAM_DEPTH, depth);
url.addParameter(Constants.PARAM_PROPERTY_DEFINITIONS, includePropertyDefinitions);
// read and parse
HttpUtils.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 CmisTypeDefinitionType) {
childContainer = new TypeDefinitionContainerImpl(convert((CmisTypeDefinitionType) 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);
}
}
}
}