Package org.eclipse.jdt.internal.debug.core.model

Source Code of org.eclipse.jdt.internal.debug.core.model.JDIArrayType

/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*     IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.debug.core.model;

import org.eclipse.debug.core.DebugException;
import org.eclipse.jdt.debug.core.IJavaArray;
import org.eclipse.jdt.debug.core.IJavaArrayType;
import org.eclipse.jdt.debug.core.IJavaType;

import com.ibm.icu.text.MessageFormat;
import com.sun.jdi.ArrayReference;
import com.sun.jdi.ArrayType;
import com.sun.jdi.ClassNotLoadedException;
import com.sun.jdi.Type;

/**
* The type of an array
*/
public class JDIArrayType extends JDIReferenceType implements IJavaArrayType {

  /**
   * Constructs a new array type on the given target referencing the specified
   * array type.
   */
  public JDIArrayType(JDIDebugTarget target, ArrayType type) {
    super(target, type);
  }

  /**
   * @see IJavaArrayType#newInstance(int)
   */
  public IJavaArray newInstance(int size) throws DebugException {
    try {
      ArrayReference ar = ((ArrayType) getUnderlyingType())
          .newInstance(size);
      return (IJavaArray) JDIValue.createValue(getJavaDebugTarget(), ar);
    } catch (RuntimeException e) {
      targetRequestFailed(
          MessageFormat.format(
              JDIDebugModelMessages.JDIArrayType_exception_while_creating_new_instance_of_array,
              e.toString()), e);
    }
    // execution will not reach this line as
    // an exception will be thrown
    return null;
  }

  /**
   * @see IJavaArray#getComponentType()
   */
  public IJavaType getComponentType() throws DebugException {
    try {
      Type type = ((ArrayType) getUnderlyingType()).componentType();
      return JDIType.createType(getJavaDebugTarget(), type);
    } catch (ClassNotLoadedException e) {
      targetRequestFailed(
          MessageFormat.format(
              JDIDebugModelMessages.JDIArrayType_exception_while_retrieving_component_type_of_array,
              e.toString()), e);
    } catch (RuntimeException e) {
      targetRequestFailed(
          MessageFormat.format(
              JDIDebugModelMessages.JDIArrayType_exception_while_retrieving_component_type_of_array,
              e.toString()), e);
    }
    // execution will not reach this line as
    // an exception will be thrown
    return null;
  }

}
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