installstateimpl.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 584 行 · 第 1/2 页

/*
 * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License version 2 for more details (a copy is
 * included at /legal/license.txt).
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.midp.jump.installer;

import com.sun.midp.security.SecurityHandler;
import com.sun.midp.security.SecurityToken;
import com.sun.midp.security.Permissions;

import com.sun.midp.midlet.MIDletSuite;

import com.sun.midp.midletsuite.MIDletSuiteStorage;
import com.sun.midp.midletsuite.MIDletSuiteImpl;
import com.sun.midp.midletsuite.MIDletInfo;
import com.sun.midp.midletsuite.MIDletSuiteInfo;
import com.sun.midp.midletsuite.InstallInfo;
import com.sun.midp.midletsuite.SuiteSettings;
import com.sun.midp.midletsuite.MIDletSuiteLockedException;
import com.sun.midp.midletsuite.MIDletSuiteCorruptedException;

import com.sun.midp.io.j2me.storage.RandomAccessStream;
import com.sun.midp.io.j2me.storage.File;

//import com.sun.midp.content.CHManager;

import com.sun.midp.installer.InvalidJadException;
import com.sun.midp.installer.ManifestProperties;
import com.sun.midp.installer.VerifierImpl;
import com.sun.midp.installer.InstallListener;
import com.sun.midp.installer.InstallState;
import com.sun.midp.installer.JadProperties;

/**
 * Holds the state of an installation, so it can restarted after it has
 * been stopped.
 */
public class InstallStateImpl implements InstallState, MIDletSuite {

    /** Location for the downloaded JAD, could be null */
    public String localJadUrl;

    /** Location for the downloaded JAR */
    public String localJarUrl;

    /** Contains the data obtained during the installation process */
    public InstallInfo installInfo;

    /** Contains the data obtained during the installation process */
    public SuiteSettings suiteSettings;

    /** ID of the storage where the new midlet suite will be installed. */
    public int storageId;

    /** Receives warnings and status. */
    public InstallListener listener;

    /** When the install started, in milliseconds. */
    public long startTime;

    /** What to do next. */
    public int nextStep;

    /** Signals the installation to stop. */
    public boolean stopInstallation;

    /**
     * Signals that installation is at a point where cancel
     * requests are ignored
     */
    public boolean ignoreCancel;

    /** exception that stopped the installation. */
    public InvalidJadException exception;

    /**
     * Option to force an overwrite of existing components without
     * any version comparison.
     */
    public boolean force;

    /**
     * Option to force the RMS data of the suite to be overwritten to
     * be removed without comparison to the new suite.
     */
    public boolean removeRMS;

    /** Raw JAD. */
    public byte[] jad;

    /** character encoding of the JAD. */
    public String jadEncoding;

    /** Parsed JAD. */
    public JadProperties jadProps;

    /** Parsed manifest. */
    public ManifestProperties jarProps;

    /** Cached File object. */
    public File file;

    /** User name for authentication. */
    protected String username;

    /** Password for authentication. */
    protected String password;

    /** User name for proxyAuthentication. */
    public String proxyUsername;

    /** Password for proxy authentication. */
    public String proxyPassword;

    /** Status to signal the beginning of the data transfer. */
    public int beginTransferDataStatus;

    /** Status for the data transfer method to give to the listener. */
    public int transferStatus;

    /** Security Handler. */
    public SecurityHandler securityHandler;

    /** Holds the unzipped JAR manifest to be saved. */
    public byte[] manifest;

    /** Cache of storage object. */
    public RandomAccessStream storage;

    /** Cache of MIDlet suite storage object. */
    public MIDletSuiteStorage midletSuiteStorage;

    /** The root of all MIDP persistent system data. */
    public String storageRoot;

    /** Signals that previous version exists. */
    public boolean isPreviousVersion;

    /** Previous MIDlet suite info. */
    public MIDletSuiteImpl previousSuite;

    /** Previous MIDlet suite install info. */
    public InstallInfo previousInstallInfo;

    /** The ContentHandler installer state. */
    // public CHManager chmanager;

    /** Constructor. */
    public InstallStateImpl() {
        installInfo   = new InstallInfo(UNUSED_SUITE_ID);
        suiteSettings = new SuiteSettings(UNUSED_SUITE_ID);
    }

    /**
     * Gets the last recoverable exception that stopped the install.
     * Non-recoverable exceptions are thrown and not saved in the state.
     *
     * @return last exception that stopped the install
     */
    public InvalidJadException getLastException() {
        return exception;
    }

    /**
     * Gets the unique ID that the installed suite was stored with.
     *
     * @return storage name that can be used to load the suite
     */
    public int getID() {
        return installInfo.id;
    }

    /**
     * Sets the username to be used for HTTP authentication.
     *
     * @param theUsername 8 bit username, cannot contain a ":"
     */
    public void setUsername(String theUsername) {
        username = theUsername;
    }

    /**
     * Sets the password to be used for HTTP authentication.
     *
     * @param thePassword 8 bit password
     */
    public void setPassword(String thePassword) {
        password = thePassword;
    }

    /**
     * Sets the username to be used for HTTP proxy authentication.
     *
     * @param theUsername 8 bit username, cannot contain a ":"
     */
    public void setProxyUsername(String theUsername) {
        proxyUsername = theUsername;
    }

    /**
     * Sets the password to be used for HTTP proxy authentication.
     *
     * @param thePassword 8 bit password
     */
    public void setProxyPassword(String thePassword) {
        proxyPassword = thePassword;
    }

    /**
     * Gets a property of the application to be installed.
     * First from the jaD, then if not found, the JAR manifeSt.
     *
     * @param key key of the property
     *
     * @return value of the property or null if not found
     */
    public String getAppProperty(String key) {
        String value;

        if (jadProps != null) {
            value = jadProps.getProperty(key);
            if (value != null) {
                return value;
            }
        }

        if (jarProps != null) {
            value = jarProps.getProperty(key);
            if (value != null) {
                return value;
            }
        }

        return null;
    }

    /**
     * Gets the URL of the JAR.
     *
     * @return URL of the JAR
     */
    public String getJarUrl() {
        return installInfo.jarUrl;
    }

    /**
     * Gets the label for the downloaded JAR.
     *
     * @return suite name
     */
    public String getSuiteName() {
        return installInfo.suiteName;
    }

    /**
     * Gets the expected size of the JAR.
     *
     * @return size of the JAR in K bytes rounded up
     */
    public int getJarSize() {
        return (installInfo.expectedJarSize + 1023) / 1024;
    }

    /**
     * Gets the authorization path of this suite. The path starts with
     * the most trusted CA that authorized this suite.
     *
     * @return array of CA names or null if the suite was not signed
     */
    public String[] getAuthPath() {
        /*
         * The auth path returned is no a copy because this object is