43 * Objects of this constructor are used along with {@code "with"} statements and as such are not usable in ECMAScript
44 * strict mode. Example:
45 * <pre>
46 * var imports = new JavaImporter(java.util, java.io);
47 * with (imports) {
48 * var m = new HashMap(); // java.util.HashMap
49 * var f = new File("."); // java.io.File
50 * ...
51 * }
52 * </pre>
53 * Note however that the preferred way for accessing Java types in Nashorn is through the use of
54 * {@link NativeJava#type(Object, Object) Java.type()} method.
55 */
56 @ScriptClass("JavaImporter")
57 public final class NativeJavaImporter extends ScriptObject {
58 private final Object[] args;
59
60 // initialized by nasgen
61 private static PropertyMap $nasgenmap$;
62
63 static PropertyMap getInitialMap() {
64 return $nasgenmap$;
65 }
66
67 private NativeJavaImporter(final Object[] args, final ScriptObject proto, final PropertyMap map) {
68 super(proto, map);
69 this.args = args;
70 }
71
72 private NativeJavaImporter(final Object[] args, final Global global) {
73 this(args, global.getJavaImporterPrototype(), global.getJavaImporterMap());
74 }
75
76 private NativeJavaImporter(final Object[] args) {
77 this(args, Global.instance());
78 }
79
80 @Override
81 public String getClassName() {
82 return "JavaImporter";
83 }
84
85 /**
86 * Constructor
87 * @param isNew is the new operator used for instantiating this NativeJavaImporter
88 * @param self self reference
89 * @param args arguments
90 * @return NativeJavaImporter instance
91 */
92 @Constructor(arity = 1)
93 public static Object constructor(final boolean isNew, final Object self, final Object... args) {
115 * This can never be called as we override {@link ScriptObject#noSuchMethod}. We do declare it here as it's a signal
116 * to {@link jdk.nashorn.internal.runtime.WithObject} that it's worth trying doing a noSuchProperty on this object.
117 *
118 * @param self self reference
119 * @param args arguments to method
120 * @return never returns
121 */
122 @Function(attributes = Attribute.NOT_ENUMERABLE)
123 public static Object __noSuchMethod__(final Object self, final Object... args) {
124 throw new AssertionError("__noSuchMethod__ placeholder called");
125 }
126
127 @Override
128 public GuardedInvocation noSuchProperty(final CallSiteDescriptor desc, final LinkRequest request) {
129 return createAndSetProperty(desc) ? super.lookup(desc, request) : super.noSuchProperty(desc, request);
130 }
131
132 @Override
133 public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
134 return createAndSetProperty(desc) ? super.lookup(desc, request) : super.noSuchMethod(desc, request);
135 }
136
137 private boolean createAndSetProperty(final CallSiteDescriptor desc) {
138 final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
139 final Object value = createProperty(name);
140 if(value != null) {
141 set(name, value, false);
142 return true;
143 }
144 return false;
145 }
146
147 private Object createProperty(final String name) {
148 final int len = args.length;
149
150 for (int i = len - 1; i > -1; i--) {
151 final Object obj = args[i];
152
153 if (obj instanceof StaticClass) {
154 if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
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43 * Objects of this constructor are used along with {@code "with"} statements and as such are not usable in ECMAScript
44 * strict mode. Example:
45 * <pre>
46 * var imports = new JavaImporter(java.util, java.io);
47 * with (imports) {
48 * var m = new HashMap(); // java.util.HashMap
49 * var f = new File("."); // java.io.File
50 * ...
51 * }
52 * </pre>
53 * Note however that the preferred way for accessing Java types in Nashorn is through the use of
54 * {@link NativeJava#type(Object, Object) Java.type()} method.
55 */
56 @ScriptClass("JavaImporter")
57 public final class NativeJavaImporter extends ScriptObject {
58 private final Object[] args;
59
60 // initialized by nasgen
61 private static PropertyMap $nasgenmap$;
62
63 private NativeJavaImporter(final Object[] args, final ScriptObject proto, final PropertyMap map) {
64 super(proto, map);
65 this.args = args;
66 }
67
68 private NativeJavaImporter(final Object[] args, final Global global) {
69 this(args, global.getJavaImporterPrototype(), $nasgenmap$);
70 }
71
72 private NativeJavaImporter(final Object[] args) {
73 this(args, Global.instance());
74 }
75
76 @Override
77 public String getClassName() {
78 return "JavaImporter";
79 }
80
81 /**
82 * Constructor
83 * @param isNew is the new operator used for instantiating this NativeJavaImporter
84 * @param self self reference
85 * @param args arguments
86 * @return NativeJavaImporter instance
87 */
88 @Constructor(arity = 1)
89 public static Object constructor(final boolean isNew, final Object self, final Object... args) {
111 * This can never be called as we override {@link ScriptObject#noSuchMethod}. We do declare it here as it's a signal
112 * to {@link jdk.nashorn.internal.runtime.WithObject} that it's worth trying doing a noSuchProperty on this object.
113 *
114 * @param self self reference
115 * @param args arguments to method
116 * @return never returns
117 */
118 @Function(attributes = Attribute.NOT_ENUMERABLE)
119 public static Object __noSuchMethod__(final Object self, final Object... args) {
120 throw new AssertionError("__noSuchMethod__ placeholder called");
121 }
122
123 @Override
124 public GuardedInvocation noSuchProperty(final CallSiteDescriptor desc, final LinkRequest request) {
125 return createAndSetProperty(desc) ? super.lookup(desc, request) : super.noSuchProperty(desc, request);
126 }
127
128 @Override
129 public GuardedInvocation noSuchMethod(final CallSiteDescriptor desc, final LinkRequest request) {
130 return createAndSetProperty(desc) ? super.lookup(desc, request) : super.noSuchMethod(desc, request);
131 }
132
133 @Override
134 protected Object invokeNoSuchProperty(final String name) {
135 return createProperty(name);
136 }
137
138 private boolean createAndSetProperty(final CallSiteDescriptor desc) {
139 final String name = desc.getNameToken(CallSiteDescriptor.NAME_OPERAND);
140 final Object value = createProperty(name);
141 if(value != null) {
142 set(name, value, false);
143 return true;
144 }
145 return false;
146 }
147
148 private Object createProperty(final String name) {
149 final int len = args.length;
150
151 for (int i = len - 1; i > -1; i--) {
152 final Object obj = args[i];
153
154 if (obj instanceof StaticClass) {
155 if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
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