cmsresourcetypeplain.java

java 编写的程序

/*
* File   : $Source: /usr/local/cvs/opencms/src/com/opencms/file/CmsResourceTypePlain.java,v $
* Date   : $Date: 2002/04/14 15:40:14 $
* Version: $Revision: 1.11 $
*
* This library is part of OpenCms -
* the Open Source Content Mananagement System
*
* Copyright (C) 2001  The OpenCms Group
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about OpenCms, please see the
* OpenCms Website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.opencms.file;

import com.opencms.core.*;
import com.opencms.util.*;
import java.util.*;
import java.util.zip.*;
import java.io.*;
import com.opencms.file.genericSql.*;
//import com.opencms.file.genericSql.linkmanagement.*;

public class CmsResourceTypePlain implements I_CmsResourceType, I_CmsConstants, Serializable {

     /**
      * The id of resource type.
      */
    private int m_resourceType;

    /**
     * The id of the launcher used by this resource.
     */
    private int m_launcherType;

    /**
     * The resource type name.
     */
    private String m_resourceTypeName;

    /**
     * The class name of the Java class launched by the launcher.
     */
    private String m_launcherClass;


    /**
     * Constructor, creates a new CmsResourceType object.
     *
     * @param resourceType The id of the resource type.
     * @param launcherType The id of the required launcher.
     * @param resourceTypeName The printable name of the resource type.
     * @param launcherClass The Java class that should be invoked by the launcher.
     * This value is <b> null </b> if the default invokation class should be used.
     */
    public void init(int resourceType, int launcherType,
                           String resourceTypeName, String launcherClass){

        m_resourceType=resourceType;
        m_launcherType=launcherType;
        m_resourceTypeName=resourceTypeName;
        m_launcherClass=launcherClass;
    }
     /**
     * Returns the name of the Java class loaded by the launcher.
     * This method returns <b>null</b> if the default class for this type is used.
     *
     * @return the name of the Java class.
     */
     public String getLauncherClass() {
         if ((m_launcherClass == null) || (m_launcherClass.length()<1)) {
            return C_UNKNOWN_LAUNCHER;
         } else {
            return m_launcherClass;
         }
     }
     /**
     * Returns the launcher type needed for this resource-type.
     *
     * @return the launcher type for this resource-type.
     */
     public int getLauncherType() {
         return m_launcherType;
     }
    /**
     * Returns the name for this resource-type.
     *
     * @return the name for this resource-type.
     */
     public String getResourceTypeName() {
         return m_resourceTypeName;
     }
    /**
     * Returns the type of this resource-type.
     *
     * @return the type of this resource-type.
     */
    public int getResourceType() {
         return m_resourceType;
     }
    /**
     * Returns a string-representation for this object.
     * This can be used for debugging.
     *
     * @return string-representation for this object.
     */
     public String toString() {
        StringBuffer output=new StringBuffer();
        output.append("[ResourceType]:");
        output.append(m_resourceTypeName);
        output.append(" , Id=");
        output.append(m_resourceType);
        output.append(" , launcherType=");
        output.append(m_launcherType);
        output.append(" , launcherClass=");
        output.append(m_launcherClass);
        return output.toString();
      }

    /**
    * Changes the group of a resource.
    * <br>
    * Only the group of a resource in an offline project can be changed. The state
    * of the resource is set to CHANGED (1).
    * If the content of this resource is not existing in the offline project already,
    * it is read from the online project and written into the offline project.
    * <p>
    * <B>Security:</B>
    * Access is granted, if:
    * <ul>
    * <li>the user has access to the project</li>
    * <li>the user is owner of the resource or is admin</li>
    * <li>the resource is locked by the callingUser</li>
    * </ul>
    *
    * @param filename the complete path to the resource.
    * @param newGroup the name of the new group for this resource.
    * @param chRekursive only used by folders.
    *
    * @exception CmsException if operation was not successful.
    */
    public void chgrp(CmsObject cms, String filename, String newGroup, boolean chRekursive) throws CmsException{
        cms.doChgrp(filename, newGroup);
    }

    /**
    * Changes the flags of a resource.
    * <br>
    * Only the flags of a resource in an offline project can be changed. The state
    * of the resource is set to CHANGED (1).
    * If the content of this resource is not existing in the offline project already,
    * it is read from the online project and written into the offline project.
    * The user may change the flags, if he is admin of the resource.
    * <p>
    * <B>Security:</B>
    * Access is granted, if:
    * <ul>
    * <li>the user has access to the project</li>
    * <li>the user can write the resource</li>
    * <li>the resource is locked by the callingUser</li>
    * </ul>
    *
    * @param filename the complete path to the resource.
    * @param flags the new flags for the resource.
    * @param chRekursive only used by folders.
    *
    * @exception CmsException if operation was not successful.
    * for this resource.
    */
    public void chmod(CmsObject cms, String filename, int flags, boolean chRekursive) throws CmsException{
        cms.doChmod(filename, flags);
    }

    /**
    * Changes the owner of a resource.
    * <br>
    * Only the owner of a resource in an offline project can be changed. The state
    * of the resource is set to CHANGED (1).
    * If the content of this resource is not existing in the offline project already,
    * it is read from the online project and written into the offline project.
    * The user may change this, if he is admin of the resource.
    * <p>
    * <B>Security:</B>
    * Access is cranted, if:
    * <ul>
    * <li>the user has access to the project</li>
    * <li>the user is owner of the resource or the user is admin</li>
    * <li>the resource is locked by the callingUser</li>
    * </ul>
    *
    * @param filename the complete path to the resource.
    * @param newOwner the name of the new owner for this resource.
    * @param chRekursive only used by folders.
    *
    * @exception CmsException if operation was not successful.
    */
    public void chown(CmsObject cms, String filename, String newOwner, boolean chRekursive) throws CmsException{
        cms.doChown(filename, newOwner);
    }

    /**
    * Changes the resourcetype of a resource.
    * <br>
    * Only the resourcetype of a resource in an offline project can be changed. The state
    * of the resource is set to CHANGED (1).
    * If the content of this resource is not exisiting in the offline project already,
    * it is read from the online project and written into the offline project.
    * The user may change this, if he is admin of the resource.
    * <p>
    * <B>Security:</B>
    * Access is granted, if:
    * <ul>
    * <li>the user has access to the project</li>
    * <li>the user is owner of the resource or is admin</li>
    * <li>the resource is locked by the callingUser</li>
    * </ul>
    *
    * @param filename the complete path to the resource.
    * @param newType the name of the new resourcetype for this resource.
    *
    * @exception CmsException if operation was not successful.
    */
    public void chtype(CmsObject cms, String filename, String newType) throws CmsException{
        cms.doChtype(filename, newType);
    }


    /**
    * Copies a Resource.
    *
    * @param source the complete path of the sourcefile.
    * @param destination the complete path of the destinationfolder.
    * @param keepFlags <code>true</code> if the copy should keep the source file's flags,
    *        <code>false</code> if the copy should get the user's default flags.
    *
    * @exception CmsException if the file couldn't be copied, or the user