diff options
Diffstat (limited to 'org.eclipse.jdt.debug/model/org/eclipse/jdt/internal/debug/core/model/JDINullValue.java')
-rw-r--r-- | org.eclipse.jdt.debug/model/org/eclipse/jdt/internal/debug/core/model/JDINullValue.java | 119 |
1 files changed, 82 insertions, 37 deletions
diff --git a/org.eclipse.jdt.debug/model/org/eclipse/jdt/internal/debug/core/model/JDINullValue.java b/org.eclipse.jdt.debug/model/org/eclipse/jdt/internal/debug/core/model/JDINullValue.java index 70178e95b..8e064ff3a 100644 --- a/org.eclipse.jdt.debug/model/org/eclipse/jdt/internal/debug/core/model/JDINullValue.java +++ b/org.eclipse.jdt.debug/model/org/eclipse/jdt/internal/debug/core/model/JDINullValue.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2000, 2009 IBM Corporation and others. + * 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 @@ -10,17 +10,18 @@ *******************************************************************************/ package org.eclipse.jdt.internal.debug.core.model; - import java.util.Collections; import java.util.List; import org.eclipse.debug.core.DebugException; +import org.eclipse.debug.core.model.IValue; import org.eclipse.jdt.core.Signature; import org.eclipse.jdt.debug.core.IJavaFieldVariable; import org.eclipse.jdt.debug.core.IJavaObject; import org.eclipse.jdt.debug.core.IJavaThread; import org.eclipse.jdt.debug.core.IJavaType; import org.eclipse.jdt.debug.core.IJavaValue; +import org.eclipse.jdt.debug.core.IJavaVariable; import com.ibm.icu.text.MessageFormat; @@ -28,10 +29,10 @@ import com.ibm.icu.text.MessageFormat; * Represents a value of "null" */ public class JDINullValue extends JDIObjectValue { - - + /** * Constructor + * * @param target */ public JDINullValue(JDIDebugTarget target) { @@ -41,20 +42,23 @@ public class JDINullValue extends JDIObjectValue { /** * @see org.eclipse.jdt.internal.debug.core.model.JDIValue#getVariablesList() */ - protected List getVariablesList() { + @Override + protected List<IJavaVariable> getVariablesList() { return Collections.EMPTY_LIST; } - + /** * @see IValue#getReferenceTypeName() */ + @Override public String getReferenceTypeName() { return "null"; //$NON-NLS-1$ } - + /** * @see IValue#getValueString() */ + @Override public String getValueString() { return "null"; //$NON-NLS-1$ } @@ -62,6 +66,7 @@ public class JDINullValue extends JDIObjectValue { /** * @see IJavaValue#getSignature() */ + @Override public String getSignature() { return null; } @@ -69,20 +74,23 @@ public class JDINullValue extends JDIObjectValue { /** * @see IJavaValue#getArrayLength() */ + @Override public int getArrayLength() { return -1; } - + /** * @see IJavaValue#getJavaType() */ + @Override public IJavaType getJavaType() { return null; } - + /** * @see Object#equals(Object) */ + @Override public boolean equals(Object obj) { return obj instanceof JDINullValue; } @@ -90,6 +98,7 @@ public class JDINullValue extends JDIObjectValue { /** * @see Object#hashCode() */ + @Override public int hashCode() { return getClass().hashCode(); } @@ -97,101 +106,137 @@ public class JDINullValue extends JDIObjectValue { /** * @see java.lang.Object#toString() */ + @Override public String toString() { return "null"; //$NON-NLS-1$ } /** - * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getField(java.lang.String, boolean) + * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getField(java.lang.String, + * boolean) */ + @Override public IJavaFieldVariable getField(String name, boolean superField) { return null; } - + /** - * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getField(java.lang.String, java.lang.String) + * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getField(java.lang.String, + * java.lang.String) */ + @Override public IJavaFieldVariable getField(String name, String typeSignature) { return null; } - + /** * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getWaitingThreads() */ + @Override public IJavaThread[] getWaitingThreads() { return null; } - + /** * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getOwningThread() */ + @Override public IJavaThread getOwningThread() { return null; } - + /** * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#getReferringObjects(long) */ - public IJavaObject[] getReferringObjects(long max) { + @Override + public IJavaObject[] getReferringObjects(long max) { return new IJavaObject[0]; } - + /** - * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#sendMessage(java.lang.String, java.lang.String, org.eclipse.jdt.debug.core.IJavaValue[], org.eclipse.jdt.debug.core.IJavaThread, boolean) + * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#sendMessage(java.lang.String, + * java.lang.String, org.eclipse.jdt.debug.core.IJavaValue[], + * org.eclipse.jdt.debug.core.IJavaThread, boolean) */ - public IJavaValue sendMessage(String selector, String signature, IJavaValue[] args, IJavaThread thread, boolean superSend) throws DebugException{ + @Override + public IJavaValue sendMessage(String selector, String signature, + IJavaValue[] args, IJavaThread thread, boolean superSend) + throws DebugException { return npe(selector, signature); } - + /** - * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#sendMessage(java.lang.String, java.lang.String, org.eclipse.jdt.debug.core.IJavaValue[], org.eclipse.jdt.debug.core.IJavaThread, java.lang.String) + * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#sendMessage(java.lang.String, + * java.lang.String, org.eclipse.jdt.debug.core.IJavaValue[], + * org.eclipse.jdt.debug.core.IJavaThread, java.lang.String) */ - public IJavaValue sendMessage(String selector, String signature, IJavaValue[] args, IJavaThread thread, String typeSignature) throws DebugException{ + @Override + public IJavaValue sendMessage(String selector, String signature, + IJavaValue[] args, IJavaThread thread, String typeSignature) + throws DebugException { return npe(selector, signature); } - + /** * Creates an artificial NPE for display to the user as an error message + * * @param selector * @param signature * @return * @throws DebugException */ - private IJavaValue npe(String selector, String signature) throws DebugException { + private IJavaValue npe(String selector, String signature) + throws DebugException { StringBuffer buffer = new StringBuffer(); buffer.append(selector); String[] parameterTypes = Signature.getParameterTypes(signature); buffer.append('('); for (int i = 0; i < parameterTypes.length; i++) { - buffer.append(Signature.getSignatureSimpleName(parameterTypes[i].replace('/', '.'))); - if (i+1 < parameterTypes.length) { + buffer.append(Signature.getSignatureSimpleName(parameterTypes[i] + .replace('/', '.'))); + if (i + 1 < parameterTypes.length) { buffer.append(", "); //$NON-NLS-1$ } - } + } buffer.append(')'); - requestFailed(MessageFormat.format(JDIDebugModelMessages.JDINullValue_0, new String[]{buffer.toString()}), null); + requestFailed(MessageFormat.format( + JDIDebugModelMessages.JDINullValue_0, + buffer.toString()), null); return null; } - /* (non-Javadoc) - * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#disableCollection() - */ + /* + * (non-Javadoc) + * + * @see + * org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#disableCollection + * () + */ + @Override public void disableCollection() throws DebugException { // Do nothing for null values } - /* (non-Javadoc) - * @see org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#enableCollection() - */ + /* + * (non-Javadoc) + * + * @see + * org.eclipse.jdt.internal.debug.core.model.JDIObjectValue#enableCollection + * () + */ + @Override public void enableCollection() throws DebugException { // Do nothing for null values } - - /* (non-Javadoc) + + /* + * (non-Javadoc) + * * @see org.eclipse.jdt.internal.debug.core.model.JDIValue#isNull() */ + @Override public boolean isNull() { return true; } - + } |