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package org.eclipse.ecf.internal.bulletinboard.commons;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.eclipse.core.runtime.IAdapterManager;
import org.eclipse.ecf.bulletinboard.BBException;
import org.eclipse.ecf.bulletinboard.IBulletinBoardContainerAdapter;
import org.eclipse.ecf.bulletinboard.IMember;
import org.eclipse.ecf.bulletinboard.IMemberGroup;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.identity.Namespace;
import org.eclipse.ecf.internal.bulletinboard.commons.webapp.WebRequest;
public abstract class AbstractBulletinBoard implements
IBulletinBoardContainerAdapter {
private AbstractBBContainer mainContainer;
protected AbstractParser parser;
protected URL url;
protected Namespace namespace;
protected HttpClient httpClient;
protected ID loggedInMemberId;
protected Map<ID, IMember> cachedMembers;
protected Map<ID, IMemberGroup> cachedMemberGroups;
public AbstractBulletinBoard(AbstractBBContainer mainContainer) {
super();
this.mainContainer = mainContainer;
this.namespace = mainContainer.getConnectNamespace();
reset();
}
protected void reset() {
this.url = null;
this.cachedMembers = new HashMap<ID, IMember>();
this.cachedMemberGroups = new HashMap<ID, IMemberGroup>();
}
public void postConnect() {
try {
this.url = new URL(getID().toExternalForm());
MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
httpClient = new HttpClient(connectionManager);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void postDisconnect() {
httpClient = null;
reset();
}
/**
* @deprecated Connection status should be the business of the main
* container.
*/
public boolean isConnected() {
return getID() != null;
}
/**
* @deprecated Connection status should be the business of the main
* container.
*/
public void close() throws BBException {
if (isConnected()) {
mainContainer.disconnect();
} else {
throw new BBException("Connection already closed.");
}
}
public ID getID() {
return mainContainer.getConnectedID();
}
public Object getAdapter(Class adapter) {
IAdapterManager adapterManager = Activator.getDefault().getAdapterManager();
if (adapterManager == null) return null;
return adapterManager.getAdapter(this, adapter);
}
public URL getURL() {
return url;
}
public Namespace getNamespace() {
return namespace;
}
public HttpClient getHttpClient() {
return httpClient;
}
public AbstractParser getParser() {
return parser;
}
protected abstract WebRequest createMemberPageRequest(ID id);
public IMember getMember(ID id) throws BBException {
if (cachedMembers.containsKey(id)) {
return cachedMembers.get(id);
} else {
WebRequest request = createMemberPageRequest(id);
try {
request.execute();
String str = request.getResponseBodyAsString();
request.releaseConnection();
IMember member = parser.parseMemberPageForName(str, id);
if (member != null) {
((AbstractBBObject) member).setBulletinBoard(this);
cachedMembers.put(member.getID(), member);
return member;
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
public IMember getLoggedInMember() throws BBException {
if (loggedInMemberId == null) {
return null;
}
return getMember(loggedInMemberId);
}
protected abstract WebRequest createMemberListRequest();
public List<IMember> getMembers() throws BBException {
// TODO: this only returns first page
if (cachedMembers.isEmpty()) {
WebRequest request = createMemberListRequest();
try {
request.execute();
String str = request.getResponseBodyAsString();
request.releaseConnection();
cachedMembers = parser.parseMembers(str);
for (IMember member : cachedMembers.values()) {
((AbstractBBObject) member).setBulletinBoard(this);
}
} catch (IOException e) {
e.printStackTrace();
}
}
return new ArrayList<IMember>(cachedMembers.values());
}
protected abstract WebRequest createMemberGroupListRequest();
public Collection<IMemberGroup> getMemberGroups() throws BBException {
if (cachedMemberGroups.isEmpty()) {
WebRequest request = createMemberGroupListRequest();
try {
request.execute();
String str = request.getResponseBodyAsString();
request.releaseConnection();
cachedMemberGroups = parser.parseMemberGroups(str);
for (IMemberGroup grp : cachedMemberGroups.values()) {
((AbstractBBObject) grp).setBulletinBoard(this);
}
} catch (IOException e) {
// log.error(e);
}
}
return new HashSet<IMemberGroup>(cachedMemberGroups.values());
}
public IMemberGroup getMemberGroup(ID id) throws BBException {
if (cachedMemberGroups.isEmpty()) {
getMemberGroups();
}
return cachedMemberGroups.get(id);
}
}
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