| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.core.model; |
| |
| import java.text.MessageFormat; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.jdt.debug.core.IJavaClassObject; |
| import org.eclipse.jdt.debug.core.IJavaFieldVariable; |
| import org.eclipse.jdt.debug.core.IJavaReferenceType; |
| |
| import com.sun.jdi.Field; |
| import com.sun.jdi.ReferenceType; |
| import com.sun.jdi.Type; |
| |
| /** |
| * References a class, interface, or array type. |
| */ |
| public abstract class JDIReferenceType extends JDIType implements IJavaReferenceType { |
| |
| // field names declared in this type |
| private String[] fDeclaredFields = null; |
| // field names declared in this type, super types, implemented interaces and superinterfaces |
| private String[] fAllFields = null; |
| |
| /** |
| * Constructs a new reference type in the given target. |
| * |
| * @param target associated vm |
| * @param type reference type |
| */ |
| public JDIReferenceType(JDIDebugTarget target, Type type) { |
| super(target, type); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getAvailableStrata() |
| */ |
| public String[] getAvailableStrata() { |
| List strata = getReferenceType().availableStrata(); |
| return (String[])strata.toArray(new String[strata.size()]); |
| } |
| |
| /** |
| * Returns the underlying reference type. |
| * |
| * @return the underlying reference type |
| */ |
| protected ReferenceType getReferenceType() { |
| return (ReferenceType)getUnderlyingType(); |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getDefaultStratum() |
| */ |
| public String getDefaultStratum() { |
| return getReferenceType().defaultStratum(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getField(java.lang.String) |
| */ |
| public IJavaFieldVariable getField(String name) throws DebugException { |
| try { |
| ReferenceType type = (ReferenceType)getUnderlyingType(); |
| Field field = type.fieldByName(name); |
| if (field != null) { |
| return new JDIFieldVariable(getDebugTarget(), field, type); |
| } |
| } catch (RuntimeException e) { |
| getDebugTarget().targetRequestFailed(MessageFormat.format(JDIDebugModelMessages.getString("JDIClassType.exception_while_retrieving_field"), new String[] {e.toString(), name}), e); //$NON-NLS-1$ |
| } |
| // it is possible to return null |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getClassObject() |
| */ |
| public IJavaClassObject getClassObject() throws DebugException { |
| try { |
| ReferenceType type= (ReferenceType)getUnderlyingType(); |
| return (IJavaClassObject)JDIValue.createValue(getDebugTarget(), type.classObject()); |
| } catch (RuntimeException e) { |
| getDebugTarget().targetRequestFailed(MessageFormat.format(JDIDebugModelMessages.getString("JDIClassType.exception_while_retrieving_class_object"), new String[] {e.toString()}), e); //$NON-NLS-1$ |
| } |
| // execution will not fall through to here, |
| // as #requestFailed will throw an exception |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getAllFieldNames() |
| */ |
| public String[] getAllFieldNames() throws DebugException { |
| if (fAllFields == null) { |
| try { |
| List fields = ((ReferenceType)getUnderlyingType()).allFields(); |
| fAllFields = new String[fields.size()]; |
| Iterator iterator = fields.iterator(); |
| int i = 0; |
| while (iterator.hasNext()) { |
| Field field = (Field)iterator.next(); |
| fAllFields[i] = field.name(); |
| i++; |
| } |
| } catch (RuntimeException e) { |
| getDebugTarget().targetRequestFailed(JDIDebugModelMessages.getString("JDIReferenceType.2"), e); //$NON-NLS-1$ |
| } |
| } |
| return fAllFields; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getDeclaredFieldNames() |
| */ |
| public String[] getDeclaredFieldNames() throws DebugException { |
| if (fDeclaredFields == null) { |
| try { |
| List fields = ((ReferenceType)getUnderlyingType()).fields(); |
| fDeclaredFields = new String[fields.size()]; |
| Iterator iterator = fields.iterator(); |
| int i = 0; |
| while (iterator.hasNext()) { |
| Field field = (Field)iterator.next(); |
| fDeclaredFields[i] = field.name(); |
| i++; |
| } |
| } catch (RuntimeException e) { |
| getDebugTarget().targetRequestFailed(JDIDebugModelMessages.getString("JDIReferenceType.3"), e); //$NON-NLS-1$ |
| } |
| } |
| return fDeclaredFields; |
| } |
| |
| } |