mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-07-24 17:32:48 +00:00
Exported some Repo functionality via RMI. First (still broken) Repo
based CLT. Some cleanup and modification to other CLTs. WIP. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4500 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park
@@ -0,0 +1,475 @@
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/**
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*
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*/
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package org.alfresco.repo.remote;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.alfresco.error.AlfrescoRuntimeException;
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import org.alfresco.service.cmr.remote.RepoRemote;
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import org.alfresco.service.cmr.remote.RepoRemoteTransport;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.security.AuthenticationService;
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import org.alfresco.util.GUID;
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/**
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* The server side implementation of RepoRemoteTransport. It
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* handles ticket validation, and expiration of idle streams.
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* @author britt
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*/
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public class RepoRemoteTransportService implements RepoRemoteTransport,
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Runnable
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{
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/**
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* The map of handles to open input streams.
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*/
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private Map<String, InputStream> fInputStreams;
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/**
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* The map of handles to last accesses for input streams.
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*/
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private Map<String, Long> fInputLastAccessTimes;
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/**
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* The map of handles to busy flags.
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*/
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private Map<String, Boolean> fInputBusy;
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/**
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* The map of handles to open output streams.
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*/
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private Map<String, OutputStream> fOutputStreams;
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/**
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* The map of handles to last accesses for output streams.
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*/
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private Map<String, Long> fOutputLastAccessTimes;
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/**
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* The map of handles to busy flags.
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*/
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private Map<String, Boolean> fOutputBusy;
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/**
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* The stale handle time. This is the maximum time a handle
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* can stay idle in milliseconds.
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*/
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private long fIdleTimeout;
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/**
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* The thread for this Runnable.
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*/
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private Thread fThread;
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/**
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* Flag for whether this Runnable is done.
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*/
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private boolean fDone;
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/**
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* The RepoRemote instance.
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*/
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private RepoRemote fRepoRemote;
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/**
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* The AuthenticationService instance.
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*/
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private AuthenticationService fAuthService;
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/**
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* Default constructor.
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*/
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public RepoRemoteTransportService()
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{
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fIdleTimeout = 30000;
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fInputStreams = new HashMap<String, InputStream>();
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fInputLastAccessTimes = new HashMap<String, Long>();
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fInputBusy = new HashMap<String, Boolean>();
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fOutputStreams = new HashMap<String, OutputStream>();
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fOutputLastAccessTimes = new HashMap<String, Long>();
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fOutputBusy = new HashMap<String, Boolean>();
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}
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/**
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* Set the Idle Timeout value.
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* @param timeout The value to set.
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*/
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public void setIdleTimeout(long timeout)
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{
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fIdleTimeout = timeout;
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}
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/**
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* Set the RepoRemote instance.
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*/
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public void setRepoRemote(RepoRemote remote)
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{
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fRepoRemote = remote;
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}
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/**
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* Set the AuthenticationService instance.
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*/
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public void setAuthenticationService(AuthenticationService service)
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{
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fAuthService = service;
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}
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/**
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* The init method. This fires up a thread to check
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* for closable streams.
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*/
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public void init()
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{
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fThread = new Thread(this);
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fDone = false;
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fThread.start();
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}
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/**
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* The body of this Runnable.
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*/
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public synchronized void run()
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{
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while (!fDone)
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{
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try
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{
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wait(fIdleTimeout);
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}
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catch (InterruptedException e)
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{
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// Do nothing.
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}
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long now = System.currentTimeMillis();
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List<String> toClose = new ArrayList<String>();
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for (String handle : fInputLastAccessTimes.keySet())
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{
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if (fInputBusy.get(handle))
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{
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continue;
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}
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if (now - fInputLastAccessTimes.get(handle) > fIdleTimeout)
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{
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toClose.add(handle);
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}
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}
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for (String handle : toClose)
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{
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try
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{
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fInputStreams.get(handle).close();
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}
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catch (IOException e)
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{
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// Do nothing.
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}
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fInputStreams.remove(handle);
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fInputLastAccessTimes.remove(handle);
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fInputBusy.remove(handle);
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}
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toClose.clear();
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for (String handle : fOutputLastAccessTimes.keySet())
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{
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if (fOutputBusy.get(handle))
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{
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continue;
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}
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if (now - fOutputLastAccessTimes.get(handle) > fIdleTimeout)
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{
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toClose.add(handle);
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}
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}
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for (String handle : toClose)
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{
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try
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{
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fOutputStreams.get(handle).close();
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}
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catch (IOException e)
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{
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// Do nothing.
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}
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fOutputStreams.remove(handle);
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fOutputLastAccessTimes.remove(handle);
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fOutputBusy.remove(handle);
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}
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}
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}
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/**
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* Shutdown the Runnable cleanly.
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*/
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public void shutDown()
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{
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synchronized (this)
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{
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fDone = true;
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notifyAll();
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}
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try
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{
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fThread.join();
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}
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catch (InterruptedException e)
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{
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// Do nothing.
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}
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#closeInputHandle(java.lang.String, java.lang.String)
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*/
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public synchronized void closeInputHandle(String ticket, String handle)
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{
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fAuthService.validate(ticket);
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InputStream in = fInputStreams.get(handle);
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if (in != null)
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{
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try
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{
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in.close();
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}
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catch (IOException e)
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{
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// Do nothing.
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}
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fInputStreams.remove(handle);
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fInputLastAccessTimes.remove(handle);
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fInputBusy.remove(handle);
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}
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#closeOutputHandle(java.lang.String, java.lang.String)
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*/
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public synchronized void closeOutputHandle(String ticket, String handle)
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{
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fAuthService.validate(ticket);
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OutputStream out = fOutputStreams.get(handle);
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if (out != null)
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{
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try
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{
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out.close();
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}
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catch (IOException e)
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{
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// Do nothing.
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}
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fOutputStreams.remove(handle);
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fOutputLastAccessTimes.remove(handle);
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fOutputBusy.remove(handle);
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}
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#createDirectory(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public NodeRef createDirectory(String ticket, NodeRef base, String path)
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{
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fAuthService.validate(ticket);
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return fRepoRemote.createDirectory(base, path);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#createFile(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public String createFile(String ticket, NodeRef base, String path)
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{
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fAuthService.validate(ticket);
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OutputStream out = fRepoRemote.createFile(base, path);
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return getOutputHandle(out);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#getListing(java.lang.String, org.alfresco.service.cmr.repository.NodeRef)
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*/
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public Map<String, NodeRef> getListing(String ticket, NodeRef dir)
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{
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fAuthService.validate(ticket);
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return fRepoRemote.getListing(dir);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#getRoot(java.lang.String)
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*/
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public NodeRef getRoot(String ticket)
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{
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fAuthService.validate(ticket);
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return fRepoRemote.getRoot();
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#lookup(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public NodeRef lookup(String ticket, NodeRef base, String path)
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{
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fAuthService.validate(ticket);
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return fRepoRemote.lookup(base, path);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#readFile(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public String readFile(String ticket, NodeRef base, String path)
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{
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fAuthService.validate(ticket);
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InputStream in = fRepoRemote.readFile(base, path);
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return getInputHandle(in);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#readFile(java.lang.String, org.alfresco.service.cmr.repository.NodeRef)
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*/
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public String readFile(String ticket, NodeRef fileRef)
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{
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fAuthService.validate(ticket);
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InputStream in = fRepoRemote.readFile(fileRef);
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return getInputHandle(in);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#readInput(java.lang.String, java.lang.String, int)
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*/
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public byte[] readInput(String ticket, String handle, int count)
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{
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fAuthService.validate(ticket);
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InputStream in = null;
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synchronized (this)
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{
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in = fInputStreams.get(handle);
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if (in == null)
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{
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throw new AlfrescoRuntimeException("Invalid Input Handle.");
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}
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fInputBusy.put(handle, true);
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fInputLastAccessTimes.put(handle, System.currentTimeMillis());
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}
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byte [] buff = new byte[count];
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try
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{
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int read = in.read(buff);
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if (read == -1)
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{
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read = 0;
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}
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if (read != count)
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{
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byte [] newBuff = new byte[read];
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for (int i = 0; i < read; i++)
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{
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newBuff[i] = buff[i];
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}
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return newBuff;
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}
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return buff;
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}
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catch (IOException e)
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{
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throw new AlfrescoRuntimeException("I/O Error.");
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}
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finally
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{
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synchronized (this)
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{
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fInputBusy.put(handle, false);
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}
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}
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#removeNode(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public void removeNode(String ticket, NodeRef base, String path)
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{
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fAuthService.validate(ticket);
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fRepoRemote.removeNode(base, path);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#removeNode(java.lang.String, org.alfresco.service.cmr.repository.NodeRef)
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*/
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public void removeNode(String ticket, NodeRef toRemove)
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{
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fAuthService.validate(ticket);
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fRepoRemote.removeNode(toRemove);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#rename(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String, java.lang.String)
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*/
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public void rename(String ticket, NodeRef base, String src, String dst)
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{
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fAuthService.validate(ticket);
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fRepoRemote.rename(base, src, dst);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#writeFile(java.lang.String, org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
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*/
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public String writeFile(String ticket, NodeRef base, String path)
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{
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fAuthService.validate(ticket);
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OutputStream out = fRepoRemote.writeFile(base, path);
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return getOutputHandle(out);
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}
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/* (non-Javadoc)
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* @see org.alfresco.service.cmr.remote.RepoRemoteTransport#writeOutput(java.lang.String, java.lang.String, byte[], int)
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*/
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public void writeOutput(String ticket, String handle, byte[] buff, int count)
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{
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fAuthService.validate(ticket);
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OutputStream out = null;
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synchronized (this)
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{
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out = fOutputStreams.get(handle);
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if (out == null)
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{
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throw new AlfrescoRuntimeException("Invalid Output Handle.");
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}
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fOutputBusy.put(handle, true);
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fOutputLastAccessTimes.put(handle, System.currentTimeMillis());
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}
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try
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{
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out.write(buff, 0, count);
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}
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catch (IOException e)
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{
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throw new AlfrescoRuntimeException("I/O Errror.");
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}
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finally
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{
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synchronized (this)
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{
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fOutputBusy.put(handle, false);
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}
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}
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}
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private synchronized String getOutputHandle(OutputStream out)
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{
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String handle = GUID.generate();
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fOutputStreams.put(handle, out);
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fOutputLastAccessTimes.put(handle, System.currentTimeMillis());
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fOutputBusy.put(handle, false);
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return handle;
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}
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private synchronized String getInputHandle(InputStream in)
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{
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String handle = GUID.generate();
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fInputStreams.put(handle, in);
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fInputLastAccessTimes.put(handle, System.currentTimeMillis());
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fInputBusy.put(handle, false);
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return handle;
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}
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}
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Reference in New Issue
Block a user