Android™

Remove an XML Subtree

See more XML Examples

Demonstrates how to remove an XML subtree from an XML document. Android™

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    CkXml xml = new CkXml();

    success = xml.LoadXmlFile("qa_data/xml/osszes.xml");

    //  The XML file we're loading contains this:

    //  <?xml version="1.0" encoding="iso-8859-2" ?>
    //  <EXAMPLE>
    //      <OSSZES>
    //          <ROW TYPE="INS">477953
    //              <NUMBER>05107003972</NUMBER>
    //          </ROW>
    //          <ROW TYPE="INS">477954
    //              <NUMBER>05107001342</NUMBER>
    //          </ROW>
    //          <ROW TYPE="INS">477955
    //              <NUMBER>05107001342</NUMBER>
    //          </ROW>
    //          <ROW TYPE="INS">477956
    //              <NUMBER>05107000017</NUMBER>
    //          </ROW>**
    //          <ROW TYPE="INS">477957
    //              <NUMBER>05107002182</NUMBER>
    //          </ROW>
    //      </OSSZES>
    //  </EXAMPLE>
    //  

    //  We wish to remove this subtree:

    //  <ROW TYPE="INS">477956
    //      <NUMBER>05107000017</NUMBER>
    //  </ROW>

    //  Get another reference to the XML document.
    CkXml xml2 = xml.GetSelf();

    //  Navigate to the node that is the root of the subtree to be deleted.
    //  In this case, we wish to find the node having tag "ROW" with content "477956"
    String notUsed = xml2.chilkatPath("OSSZES|/C/ROW,*477956*|$");

    //  Examine the xml2, it should be just the subtree.
    Log.i(TAG, xml2.getXml());

    //  Now detach xml2 from the it's XML document.
    //  xml2 will now be it's own XML document.
    xml2.RemoveFromTree();

    //  Examine our original XML document.  The subtree is removed:
    Log.i(TAG, xml.getXml());


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}