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11 package org.eclipse.pde.internal.core;
12
13 import java.util.*;
14 import org.eclipse.core.runtime.CoreException;
15 import org.eclipse.core.runtime.IProgressMonitor;
16 import org.eclipse.jdt.core.JavaCore;
17 import org.eclipse.jdt.launching.*;
18 import org.eclipse.jdt.launching.environments.*;
19
20 public class ExecutionEnvironmentAnalyzer implements IExecutionEnvironmentAnalyzerDelegate {
21
22 private static final String  JavaSE_1_6 = "JavaSE-1.6"; private static final String J2SE_1_5 = "J2SE-1.5"; private static final String J2SE_1_4 = "J2SE-1.4"; private static final String J2SE_1_3 = "J2SE-1.3"; private static final String J2SE_1_2 = "J2SE-1.2"; private static final String JRE_1_1 = "JRE-1.1";
29 private static final String CDC_FOUNDATION_1_1 = "CDC-1.1/Foundation-1.1"; private static final String CDC_FOUNDATION_1_0 = "CDC-1.0/Foundation-1.0";
32 private static final String OSGI_MINIMUM_1_0 = "OSGi/Minimum-1.0"; private static final String OSGI_MINIMUM_1_1 = "OSGi/Minimum-1.1";
35 private static final String JAVA_SPEC_VERSION = "java.specification.version"; private static final String JAVA_SPEC_NAME = "java.specification.name"; private static final String JAVA_VERSION = "java.version";
39 private static final String [] VM_PROPERTIES = {JAVA_SPEC_NAME, JAVA_SPEC_VERSION, JAVA_VERSION};
40 private static final String FOUNDATION = "foundation"; private static final Map mappings = new HashMap();
42
43 static {
44 mappings.put(CDC_FOUNDATION_1_0, new String [] {OSGI_MINIMUM_1_0});
46 mappings.put(CDC_FOUNDATION_1_1, new String [] {CDC_FOUNDATION_1_0, OSGI_MINIMUM_1_1});
47 mappings.put(OSGI_MINIMUM_1_1, new String [] {OSGI_MINIMUM_1_0});
48 mappings.put(J2SE_1_2, new String [] {JRE_1_1});
49 mappings.put(J2SE_1_3, new String [] {J2SE_1_2, CDC_FOUNDATION_1_0, OSGI_MINIMUM_1_0});
50 mappings.put(J2SE_1_4, new String [] {J2SE_1_3, CDC_FOUNDATION_1_1, OSGI_MINIMUM_1_1});
51 mappings.put(J2SE_1_5, new String [] {J2SE_1_4});
52 mappings.put(JavaSE_1_6, new String [] {J2SE_1_5});
53 }
54
55 public static String getCompliance(String ee) {
56 if (ee == null)
57 return null;
58 if (JavaSE_1_6.equals(ee))
59 return JavaCore.VERSION_1_6;
60 if (J2SE_1_5.equals(ee))
61 return JavaCore.VERSION_1_5;
62 if (J2SE_1_4.equals(ee) || CDC_FOUNDATION_1_1.equals(ee))
63 return JavaCore.VERSION_1_4;
64 return JavaCore.VERSION_1_3;
65 }
66
67 public static String [] getKnownExecutionEnvironments() {
68 return new String [] {
69 JRE_1_1,
70 J2SE_1_2,
71 OSGI_MINIMUM_1_0,
72 OSGI_MINIMUM_1_1,
73 CDC_FOUNDATION_1_0,
74 J2SE_1_3,
75 CDC_FOUNDATION_1_1,
76 J2SE_1_4,
77 J2SE_1_5,
78 JavaSE_1_6};
79 }
80
81 public CompatibleEnvironment[] analyze(IVMInstall vm, IProgressMonitor monitor) throws CoreException {
82 ArrayList result = new ArrayList();
83 if (!(vm instanceof IVMInstall2))
84 return new CompatibleEnvironment[0];
85 IVMInstall2 vm2 = (IVMInstall2) vm;
86
87 List types = null;
88 String javaVersion = vm2.getJavaVersion();
89 if (javaVersion == null) {
90 if ((vm instanceof IVMInstall3) && isFoundation1_0((IVMInstall3) vm))
92 types = getTypes(CDC_FOUNDATION_1_0);
93 else if ((vm instanceof IVMInstall3) && isFoundation1_1((IVMInstall3) vm))
94 types = getTypes(CDC_FOUNDATION_1_1);
95 } else {
96 if (javaVersion.startsWith("1.6")) types = getTypes(JavaSE_1_6);
98 else if (javaVersion.startsWith("1.5")) types = getTypes(J2SE_1_5);
100 else if (javaVersion.startsWith("1.4")) types = getTypes(J2SE_1_4);
102 else if (javaVersion.startsWith("1.3")) types = getTypes(J2SE_1_3);
104 else if (javaVersion.startsWith("1.2")) types = getTypes(J2SE_1_2);
106 else if (javaVersion.startsWith("1.1")) { if ((vm instanceof IVMInstall3) && isFoundation1_1((IVMInstall3) vm))
108 types = getTypes(CDC_FOUNDATION_1_1);
109 else
110 types = getTypes(JRE_1_1);
111 } else if (javaVersion.startsWith("1.0")) { if ((vm instanceof IVMInstall3) && isFoundation1_0((IVMInstall3) vm))
113 types = getTypes(CDC_FOUNDATION_1_0);
114 }
115 }
116
117 if (types != null) {
118 for (int i=0; i < types.size(); i++)
119 addEnvironment(result, (String ) types.get(i), i ==0);
120 }
121 return (CompatibleEnvironment[])result.toArray(new CompatibleEnvironment[result.size()]);
122 }
123
124
127 private boolean isFoundation(Map properties) {
128 for (int i=0; i < VM_PROPERTIES.length; i++) {
129 String value = (String ) properties.get(VM_PROPERTIES[i]);
130 if (value == null)
131 continue;
132 for (StringTokenizer tokenizer = new StringTokenizer(value); tokenizer.hasMoreTokens(); )
133 if (FOUNDATION.equalsIgnoreCase(tokenizer.nextToken()))
134 return true;
135 }
136 return false;
137 }
138
139 private boolean isFoundation1_0(IVMInstall3 vm) throws CoreException {
140 Map map = vm.evaluateSystemProperties(VM_PROPERTIES, null);
141 return isFoundation(map) ? "1.0".equals(map.get(JAVA_SPEC_VERSION)) : false; }
143
144 private boolean isFoundation1_1(IVMInstall3 vm) throws CoreException {
145 Map map = vm.evaluateSystemProperties(VM_PROPERTIES, null);
146 return isFoundation(map) ? "1.1".equals(map.get(JAVA_SPEC_VERSION)) : false; }
148
149 private void addEnvironment(ArrayList result, String id, boolean strict) {
150 IExecutionEnvironmentsManager manager = JavaRuntime.getExecutionEnvironmentsManager();
151 IExecutionEnvironment env = manager.getEnvironment(id);
152 if (env != null)
153 result.add(new CompatibleEnvironment(env, strict));
154 }
155
156 private List getTypes(String type) {
158 List result = new ArrayList();
159 result.add(type);
160 String [] values = (String []) mappings.get(type);
161 if (values != null) {
162 for (int i=0; i<values.length; i++)
163 result.addAll(getTypes(values[i]));
164 }
165 return result;
166 }
167
168 }
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