001: /*
002: *
003: *
004: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
005: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
006: *
007: * This program is free software; you can redistribute it and/or
008: * modify it under the terms of the GNU General Public License version
009: * 2 only, as published by the Free Software Foundation.
010: *
011: * This program is distributed in the hope that it will be useful, but
012: * WITHOUT ANY WARRANTY; without even the implied warranty of
013: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014: * General Public License version 2 for more details (a copy is
015: * included at /legal/license.txt).
016: *
017: * You should have received a copy of the GNU General Public License
018: * version 2 along with this work; if not, write to the Free Software
019: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020: * 02110-1301 USA
021: *
022: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
023: * Clara, CA 95054 or visit www.sun.com if you need additional
024: * information or have any questions.
025: */
026:
027: package com.sun.midp.content;
028:
029: import javax.microedition.content.Invocation;
030:
031: import com.sun.midp.main.MIDletProxy;
032: import com.sun.midp.main.MIDletProxyList;
033: import com.sun.midp.main.MIDletProxyListListener;
034:
035: /**
036: * Handle all of the details of ContentHandlers lifecycle.
037: *
038: *<p>
039: * Two versions of this file exist; one which is no-op used when
040: * MIDP stack is not built with CHAPI and the real implementation when
041: * MIDP stack is BUILT with CHAPI.
042: */
043: public class CHManagerImpl extends com.sun.midp.content.CHManager
044: implements MIDletProxyListListener {
045:
046: /**
047: * Creates a new instance of CHManagerImpl.
048: */
049: public CHManagerImpl() {
050: }
051:
052: /**
053: * Setup to monitor for MIDlets starting and exiting and check
054: * for incompletely handled Invocation requests.
055: * Cleanup only occurs within the AMS Isolate.
056: * This method is only called from MIDletSuiteLoader in the AMS Isolate.
057: *
058: * @param midletProxyList reference to the MIDlet proxy list
059: */
060: public void initCleanupMonitor(MIDletProxyList midletProxyList) {
061: midletProxyList.addListener(this );
062: }
063:
064: /**
065: * Notification that a MIDlet is about to be created.
066: * Set the cleanup flag on all invocations for the MIDlet.
067: *
068: * @param suiteId the storage name of the MIDlet suite
069: * @param classname the midlet classname
070: */
071: public void midletInit(int suiteId, String classname) {
072: InvocationStore.setCleanup(suiteId, classname, true);
073: }
074:
075: /**
076: * The ContentHandler monitor ignores MIDlet added callbacks.
077: * The necessary initialization is done in the Isolate and
078: * MIDletState that instantiates the MIDlet.
079: * Called when a MIDlet is added to the list and only in the AMS
080: * Isolate.
081: *
082: * @param midlet The proxy of the MIDlet being added
083: */
084: public void midletAdded(MIDletProxy midlet) {
085: }
086:
087: /**
088: * The ContentHandler monitor ignores MIDlet update callbacks.
089: * Called when the state of a MIDlet in the list is updated.
090: *
091: * @param midlet The proxy of the MIDlet that was updated
092: * @param fieldId code for which field of the proxy was updated
093: */
094: public void midletUpdated(MIDletProxy midlet, int fieldId) {
095: }
096:
097: /**
098: * The ContentHandler monitor uses the MIDlet removed callback
099: * to cleanup any Invocations in an incorrect state.
100: * Called (in the AMS Isolate) when a MIDlet is removed from the list.
101: *
102: * @param midlet The proxy of the removed MIDlet
103: */
104: public void midletRemoved(MIDletProxy midlet) {
105: AppProxy.getCurrent().logInfo(
106: "midletRemoved: " + midlet.getClassName());
107:
108: // Cleanup unprocessed Invocations
109: RegistryImpl
110: .cleanup(midlet.getSuiteId(), midlet.getClassName());
111:
112: // Check for and execute a pending MIDlet suite
113: InvocationImpl.invokeNext();
114: }
115:
116: /**
117: * Called when error occurred while starting a MIDlet object.
118: *
119: * @param externalAppId ID assigned by the external application manager
120: * @param suiteId Suite ID of the MIDlet
121: * @param className Class name of the MIDlet
122: * @param errorCode start error code
123: * @param errorDetails start error details
124: */
125: public void midletStartError(int externalAppId, int suiteId,
126: String className, int errorCode, String errorDetails) {
127: }
128: }
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