odk/examples/DevelopersGuide/UCB/ResourceRemover.java

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  34
  35 /**
  36  * Deleting a resource
  37  */
  38 public class ResourceRemover {
  39
  40     /**
  41      * Member properties
  42      */
  43     private  Helper   m_helper;
  44     private  String   m_contenturl    = "";
  45     private  com.sun.star.ucb.XContent m_content;
  46
  47     /**
  48      * Constructor.
  49      *
  50      *@param      args   This construtor requires the arguments:
  51      *                          -url=...     (optional)
  52      *                          -workdir=... (optional)
  53      *                       See Help (method printCmdLineUsage()).
  54      *                       Without the arguments a new connection to a
  55      *                       running office cannot created.
  56      */
  57     public ResourceRemover( String args[] ) throws java.lang.Exception {
  58
  59         // Parse arguments
  60         parseArguments( args );
  61
  62         // Init
  63         m_helper       = new Helper( getContentURL() );
  64
  65         // Create UCB content
  66         m_content      = m_helper.createUCBContent();
  67     }
  68
  69     /**
  70      *  Delete resource.
  71      *
  72      *@return true if resource successfully deleted, false otherwise
  73      */
  74     public boolean deleteResource()
  75         throws com.sun.star.ucb.CommandAbortedException, com.sun.star.uno.Exception {
  76
  77         boolean result = false;
  78         if ( m_content != null ) {
  79
  80
  81             // Destroy a resource physically...
  82
  83
  84             Boolean deletePhysically = Boolean.TRUE;
  85
  86             // Execute command "delete".
  87             m_helper.executeCommand( m_content, "delete", deletePhysically );
  88             result = true;
  89         }
  90         return result;
  91     }
  92
  93     /**
  94      *  Get connect URL.
  95      *
  96      *@return   String    That contains the connect URL
  97      */
  98     public String getContentURL() {
  99         return m_contenturl;
 100     }
 101
 102     /**
 103      * Parse arguments
 104      */
 105     public void parseArguments( String[] args ) throws java.lang.Exception {
 106
 107         String workdir = "";
 108
 109         for ( int i = 0; i < args.length; i++ ) {
 110             if ( args[i].startsWith( "-url=" )) {
 111                 m_contenturl    = args[i].substring( 5 );
 112             } else if ( args[i].startsWith( "-workdir=" )) {
 113                 workdir = args[i].substring( 9 );
 114             } else if ( args[i].startsWith( "-help" ) ||
 115                         args[i].startsWith( "-?" )) {
 116                 printCmdLineUsage();
 117                 System.exit( 0 );
 118             }
 119          }
 120
 121         if ( m_contenturl == null || m_contenturl.equals( "" )) {
 122             m_contenturl = Helper.createTargetDataFile( workdir );
 123         }
 124     }
 125
 126     /**
 127      * Print the commands options
 128      */
 129     public void printCmdLineUsage() {
 130         System.out.println(
 131             "Usage   : ResourceRemover -url=... -workdir=..." );
 132         System.out.println(
 133             "Defaults: -url=<workdir>/resource-<uniquepostfix> -workdir=<currentdir>" );
 134         System.out.println(
 135             "\nExample  : -url=file:///temp/MyFile.txt \n" );
 136     }
 137
 138     /**
 139      *  Create a new connection with the specific args to a running office and
 140      *  delete a resource.
 141      */
 142     public static void main ( String args[] ) {
 143
 144         System.out.println( "\n" );
 145         System.out.println(
 146             "-----------------------------------------------------------------" );
 147         System.out.println(
 148             "ResourceRemover - destroys a resource." );
 149         System.out.println(
 150             "-----------------------------------------------------------------" );
 151
 152         try {
 153             ResourceRemover delete = new ResourceRemover( args );
 154             boolean result = delete.deleteResource();
 155             String url = delete.getContentURL();
 156             if ( result )  {
 157                 System.out.println(
 158                         "Delete of resource " + url + " succeeded." );
 159             } else  {
 160                 System.out.println(
 161                         "Delete of resource " + url + " failed." );
 162             }
 163         } catch ( com.sun.star.ucb.CommandAbortedException e ) {
 164             System.out.println( "Error: " + e );
 165         } catch ( com.sun.star.uno.Exception e ) {
 166             System.out.println( "Error: " + e );
 167         } catch ( java.lang.Exception e ) {
 168             System.out.println( "Error: " + e );
 169         }
 170         System.exit( 0 );
 171     }
 172 }