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 com.sun.midp.installer.InstallState;
030: import com.sun.midp.installer.Installer;
031: import com.sun.midp.installer.InvalidJadException;
032: import com.sun.midp.midlet.MIDletSuite;
033:
034: /**
035: * AppProxy interface to a not-yet installed application bundle.
036: * Used by the RegistryImpl to parse and extract content handler
037: * registrations.
038: */
039: class AppBundleProxy extends AppProxy {
040: /** The installer with access to the archive. */
041: private Installer installer;
042:
043: /** The InstallState. */
044: private InstallState state;
045:
046: /** The authority for this bundle. */
047: private final String authority;
048:
049: /**
050: * Construct an AppBundleProxy to draft from a
051: * yet to be installed package.
052: *
053: * @param installer the installer
054: * @param msuite the MIDletSuite being constructed by the installer
055: * @param state the installer state
056: * @param authority for the installer
057: * @exception ClassNotFoundException if the <code>classname</code>
058: * is not present
059: * @exception IllegalArgumentException if classname is not
060: * a valid application
061: */
062: AppBundleProxy(Installer installer, InstallState state,
063: MIDletSuite msuite, String authority)
064: throws ClassNotFoundException {
065: super (msuite, null, null);
066: this .installer = installer;
067: this .state = state;
068: this .authority = authority;
069: }
070:
071: /**
072: * Gets the AppProxy for an application class in the current bundle.
073: * @param classname the name of the application class
074: * @return the AppProxy for classname; <code>null</code> if not
075: * a valid application (MIDlet)
076: * @exception ClassNotFoundException if the <code>classname</code>
077: * is not present
078: * @exception IllegalArgumentException if classname is
079: * not a valid application
080: */
081: AppProxy forClass(String classname) throws ClassNotFoundException {
082:
083: AppProxy curr = null;
084: synchronized (mutex) {
085: // Check if class already has a AppProxy
086: curr = (AppBundleProxy) appmap.get(classname);
087: if (curr == null) {
088: // Create a new instance and check if it is a valid app
089: curr = new AppBundleProxy(installer, state, msuite,
090: authority);
091: curr.classname = classname;
092: curr.appmap = appmap;
093: // Throws ClassNotFoundException or IllegalArgumentException
094: curr.verifyApplication(classname);
095: curr.initAppInfo();
096: appmap.put(classname, curr);
097: if (LOG_INFO) {
098: logInfo("AppProxy created: " + this );
099: }
100: }
101: }
102: return curr;
103: }
104:
105: /**
106: * Verify that the classname is a valid application.
107: * Overridden to just check if the appropriate file is
108: * in the jar.
109: * @param classname the application class
110: *
111: * @exception ClassNotFoundException is thrown if the class cannot be found
112: * @exception IllegalArgumentException if the classname is null or empty
113: */
114: protected void verifyApplication(String classname)
115: throws ClassNotFoundException {
116: try {
117: installer.verifyMIDlet(classname);
118: } catch (InvalidJadException ije) {
119: if (ije.getReason() == InvalidJadException.INVALID_VALUE) {
120: throw new IllegalArgumentException();
121: } else {
122: throw new ClassNotFoundException(classname);
123: }
124: }
125: }
126:
127: /**
128: * Gets the Trusted authority that authenticated this application.
129: * <p>
130: * For MIDP, this is the CA of the signer.
131: * @return the authority.
132: */
133: String getAuthority() {
134: return authority;
135: }
136: }
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