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1
11 package org.eclipse.jdt.internal.debug.core.logicalstructures;
12
13 import org.eclipse.debug.core.DebugException;
14 import org.eclipse.debug.core.model.IVariable;
15 import org.eclipse.jdt.debug.core.IJavaArrayType;
16 import org.eclipse.jdt.debug.core.IJavaObject;
17 import org.eclipse.jdt.debug.core.IJavaType;
18 import org.eclipse.jdt.debug.core.IJavaValue;
19 import org.eclipse.jdt.internal.debug.core.HeapWalkingManager;
20 import org.eclipse.jdt.internal.debug.core.JDIDebugPlugin;
21 import org.eclipse.jdt.internal.debug.core.model.JDIArrayValue;
22 import org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget;
23 import org.eclipse.jdt.internal.debug.core.model.JDIPlaceholderValue;
24 import org.eclipse.jdt.internal.debug.core.model.JDIReferenceType;
25
26 import com.ibm.icu.text.MessageFormat;
27
28
35 public class JDIAllInstancesValue extends JDIArrayValue {
36
37 private IJavaObject[] fInstances;
38 private JDIReferenceType fRoot;
39 private IJavaArrayType fType;
40 private boolean fIsMoreThanPreference;
41
42
49 public JDIAllInstancesValue(JDIDebugTarget target, JDIReferenceType root) {
50 super(target, null);
51 fRoot = root;
52 try {
53 IJavaType[] javaTypes = target.getJavaTypes("java.lang.Object[]"); if (javaTypes.length > 0) {
55 fType = (IJavaArrayType) javaTypes[0];
56 }
57 } catch (DebugException e) {}
58 }
59
60
63 protected IJavaObject[] getInstances(){
64 if (fInstances != null){
65 return fInstances;
66 } else {
67 IJavaObject[] instances = new IJavaObject[0];
68 fIsMoreThanPreference = false;
69 if (fRoot != null){
70 int max = HeapWalkingManager.getDefault().getAllInstancesMaxCount();
71 try{
72 if (max == 0){
73 instances = fRoot.getInstances(max);
74 } else {
75 instances = fRoot.getInstances(max+1);
76 if (instances.length > max){
77 instances[max] = new JDIPlaceholderValue((JDIDebugTarget)fRoot.getDebugTarget(),MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_2,new String  []{Integer.toString(max)}));
78 fIsMoreThanPreference = true;
79 }
80 }
81 } catch (DebugException e) {
82 JDIDebugPlugin.log(e);
83 }
84 }
85 fInstances = instances;
86 return instances;
87 }
88 }
89
90
93 public synchronized int getLength() throws DebugException {
94 return getInstances().length;
95 }
96
97
100 public int getSize() throws DebugException {
101 return getInstances().length;
102 }
103
104
107 public IJavaValue getValue(int index) throws DebugException {
108 if(index > getInstances().length-1 || index < 0) {
109 internalError(LogicalStructuresMessages.JDIAllInstancesValue_0);
110 }
111 return getInstances()[index];
112 }
113
114
117 public IJavaValue[] getValues() throws DebugException {
118 return getInstances();
119 }
120
121
124 public IVariable getVariable(int offset) throws DebugException {
125 if(offset > getInstances().length-1 || offset < 0) {
126 internalError(LogicalStructuresMessages.JDIAllInstancesValue_1);
127 }
128 if(isMoreThanPreference() && offset == getInstances().length-1){
129 return new JDIPlaceholderVariable(LogicalStructuresMessages.JDIAllInstancesValue_4, getInstances()[offset]);
130 } else {
131 return new JDIPlaceholderVariable(MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_5,new String []{Integer.toString(offset)}), getInstances()[offset]);
132 }
133 }
134
135
138 public IVariable[] getVariables(int offset, int length) throws DebugException {
139 if (length == 0){
140 return new IVariable[0];
141 }
142 if(offset > getInstances().length-1 || offset < 0) {
143 internalError(LogicalStructuresMessages.JDIAllInstancesValue_1);
144 }
145 IVariable[] vars = new JDIPlaceholderVariable[length];
146 for (int i = 0; i < length; i++) {
147 vars[i] = getVariable(i + offset);
148 }
149 return vars;
150 }
151
152
155 public IVariable[] getVariables() throws DebugException {
156 return getVariables(0, getInstances().length);
157 }
158
159
162 public IJavaObject[] getReferringObjects(long max) throws DebugException {
163 return new IJavaObject[0];
164 }
165
166
169 public boolean isAllocated() throws DebugException {
170 return getJavaDebugTarget().isAvailable();
171 }
172
173
176 public int getInitialOffset() {
177 return 0;
178 }
179
180
183 public boolean hasVariables() throws DebugException {
184 return getInstances().length > 0;
185 }
186
187
190 public IJavaType getJavaType() throws DebugException {
191 return fType;
192 }
193
194
197 public String getSignature() throws DebugException {
198 return fType.getSignature();
199 }
200
201
204 public String getReferenceTypeName() throws DebugException {
205 return fType.getName();
206 }
207
208
211 public String getValueString() throws DebugException {
212 if (isMoreThanPreference()){
213 return MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_7,new String []{Integer.toString(getInstances().length-1)});
214 } else if (getInstances().length == 1) {
215 return MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_8,new String []{Integer.toString(getInstances().length)});
216 } else {
217 return MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_9,new String []{Integer.toString(getInstances().length)});
218 }
219 }
220
221
227 public String getDetailString(){
228 StringBuffer buf = new StringBuffer ();
229 Object [] elements = getInstances();
230 if (elements.length == 0){
231 buf.append(LogicalStructuresMessages.JDIAllInstancesValue_10);
232 }
233 else{
234 String length = null;
235 if (isMoreThanPreference()){
236 length = MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_11,new String []{Integer.toString(elements.length-1)});
237 } else {
238 length = Integer.toString(elements.length);
239 }
240 if (elements.length == 1){
241 buf.append(MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_12,new String []{length}));
242 } else {
243 buf.append(MessageFormat.format(LogicalStructuresMessages.JDIAllInstancesValue_13,new String []{length}));
244 }
245 for (int i = 0; i < elements.length; i++) {
246 buf.append(elements[i] + "\n"); }
248 }
249 return buf.toString();
250 }
251
252
255 protected boolean isMoreThanPreference() {
256 getInstances(); return fIsMoreThanPreference;
258 }
259
260 }
261 |
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