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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/com/sun/script/util (6 of 18352 files). Show all

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6 files
  1. java/pkg/com/sun/script/util/BindingsBase.java +82 −0
  2. java/pkg/com/sun/script/util/BindingsEntrySet.java +98 −0
  3. java/pkg/com/sun/script/util/BindingsImpl.java +85 −0
  4. java/pkg/com/sun/script/util/InterfaceImplementor.java +111 −0
  5. java/pkg/com/sun/script/util/ScriptEngineFactoryBase.java +56 −0
  6. java/pkg/com/sun/script/util/mkfile +12 −0
java/pkg/com/sun/script/util/BindingsBase.java+82−0
@@ -0,0 +1,82 @@
1/*
2 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.script.util;
27
28import javax.script.Bindings;
29import java.util.Map;
30import java.util.AbstractMap;
31
32/**
33 * Abstract super class for Bindings implementations
34 *
35 * @author Mike Grogan
36 * @since 1.6
37 */
38public abstract class BindingsBase extends AbstractMap<String, Object>
39 implements Bindings {
40
41 //AbstractMap methods
42 public Object get(Object name) {
43 checkKey(name);
44 return getImpl((String)name);
45 }
46
47 public Object remove(Object key) {
48 checkKey(key);
49 return removeImpl((String)key);
50 }
51
52 public Object put(String key, Object value) {
53 checkKey(key);
54 return putImpl(key, value);
55 }
56
57 public void putAll(Map<? extends String, ? extends Object> toMerge) {
58 for (Map.Entry<? extends String, ? extends Object> entry : toMerge.entrySet()) {
59 String key = entry.getKey();
60 checkKey(key);
61 putImpl(entry.getKey(), entry.getValue());
62 }
63 }
64
65 //BindingsBase methods
66 public abstract Object putImpl(String name, Object value);
67 public abstract Object getImpl(String name);
68 public abstract Object removeImpl(String name);
69 public abstract String[] getNames();
70
71 protected void checkKey(Object key) {
72 if (key == null) {
73 throw new NullPointerException("key can not be null");
74 }
75 if (!(key instanceof String)) {
76 throw new ClassCastException("key should be String");
77 }
78 if (key.equals("")) {
79 throw new IllegalArgumentException("key can not be empty");
80 }
81 }
82}
java/pkg/com/sun/script/util/BindingsEntrySet.java+98−0
@@ -0,0 +1,98 @@
1/*
2 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.script.util;
27import java.util.*;
28
29/**
30 * Entry set implementation for Bindings implementations
31 *
32 * @author Mike Grogan
33 * @since 1.6
34 */
35public class BindingsEntrySet extends AbstractSet<Map.Entry<String, Object>> {
36
37 private BindingsBase base;
38 private String[] keys;
39
40 public BindingsEntrySet(BindingsBase base) {
41 this.base = base;
42 keys = base.getNames();
43 }
44
45 public int size() {
46 return keys.length;
47 }
48
49 public Iterator<Map.Entry<String, Object>> iterator() {
50 return new BindingsIterator();
51 }
52
53 public class BindingsEntry implements Map.Entry<String, Object> {
54 private String key;
55 public BindingsEntry(String key) {
56 this.key = key;
57 }
58
59 public Object setValue(Object value) {
60 throw new UnsupportedOperationException();
61 }
62
63 public String getKey() {
64 return key;
65 }
66
67 public Object getValue() {
68 return base.get(key);
69 }
70
71 }
72
73 public class BindingsIterator implements Iterator<Map.Entry<String, Object>> {
74
75 private int current = 0;
76 private boolean stale = false;
77
78 public boolean hasNext() {
79 return (current < keys.length);
80 }
81
82 public BindingsEntry next() {
83 stale = false;
84 return new BindingsEntry(keys[current++]);
85 }
86
87 public void remove() {
88 if (stale || current == 0) {
89 throw new IllegalStateException();
90 }
91
92 stale = true;
93 base.remove(keys[current - 1]);
94 }
95
96 }
97
98}
java/pkg/com/sun/script/util/BindingsImpl.java+85−0
@@ -0,0 +1,85 @@
1/*
2 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.script.util;
27import java.util.*;
28import javax.script.Bindings;
29
30/*
31 * Abstract super class for Bindings implementations. Handles
32 * global and local scopes.
33 *
34 * @author Mike Grogan
35 * @since 1.6
36 */
37public abstract class BindingsImpl extends BindingsBase {
38
39 //get method delegates to global if key is not defined in
40 //base class or local scope
41 protected Bindings global = null;
42
43 //get delegates to local scope
44 protected Bindings local = null;
45
46 public void setGlobal(Bindings n) {
47 global = n;
48 }
49
50 public void setLocal(Bindings n) {
51 local = n;
52 }
53
54 public Set<Map.Entry<String, Object>> entrySet() {
55 return new BindingsEntrySet(this);
56 }
57
58 public Object get(Object key) {
59 checkKey(key);
60
61 Object ret = null;
62 if ((local != null) && (null != (ret = local.get(key)))) {
63 return ret;
64 }
65
66 ret = getImpl((String)key);
67
68 if (ret != null) {
69 return ret;
70 } else if (global != null) {
71 return global.get(key);
72 } else {
73 return null;
74 }
75 }
76
77 public Object remove(Object key) {
78 checkKey(key);
79 Object ret = get(key);
80 if (ret != null) {
81 removeImpl((String)key);
82 }
83 return ret;
84 }
85}
java/pkg/com/sun/script/util/InterfaceImplementor.java+111−0
@@ -0,0 +1,111 @@
1/*
2 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.script.util;
27
28import javax.script.*;
29import java.lang.reflect.*;
30import java.security.*;
31
32/*
33 * java.lang.reflect.Proxy based interface implementor. This is meant
34 * to be used to implement Invocable.getInterface.
35 *
36 * @author Mike Grogan
37 * @since 1.6
38 */
39public class InterfaceImplementor {
40
41 private Invocable engine;
42
43 /** Creates a new instance of Invocable */
44 public InterfaceImplementor(Invocable engine) {
45 this.engine = engine;
46 }
47
48 private final class InterfaceImplementorInvocationHandler
49 implements InvocationHandler {
50 private Object thiz;
51 private AccessControlContext accCtxt;
52
53 public InterfaceImplementorInvocationHandler(Object thiz,
54 AccessControlContext accCtxt) {
55 this.thiz = thiz;
56 this.accCtxt = accCtxt;
57 }
58
59 public Object invoke(Object proxy , Method method, Object[] args)
60 throws java.lang.Throwable {
61 // give chance to convert input args
62 args = convertArguments(method, args);
63 Object result;
64 final Method m = method;
65 final Object[] a = args;
66 result = AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
67 public Object run() throws Exception {
68 if (thiz == null) {
69 return engine.invokeFunction(m.getName(), a);
70 } else {
71 return engine.invokeMethod(thiz, m.getName(), a);
72 }
73 }
74 }, accCtxt);
75 // give chance to convert the method result
76 return convertResult(method, result);
77 }
78 }
79
80 public <T> T getInterface(Object thiz, Class<T> iface)
81 throws ScriptException {
82 if (iface == null || !iface.isInterface()) {
83 throw new IllegalArgumentException("interface Class expected");
84 }
85 if (! isImplemented(thiz, iface)) {
86 return null;
87 }
88 AccessControlContext accCtxt = AccessController.getContext();
89 return iface.cast(Proxy.newProxyInstance(iface.getClassLoader(),
90 new Class[]{iface},
91 new InterfaceImplementorInvocationHandler(thiz, accCtxt)));
92 }
93
94 protected boolean isImplemented(Object thiz, Class<?> iface) {
95 return true;
96 }
97
98 // called to convert method result after invoke
99 protected Object convertResult(Method method, Object res)
100 throws ScriptException {
101 // default is identity conversion
102 return res;
103 }
104
105 // called to convert method arguments before invoke
106 protected Object[] convertArguments(Method method, Object[] args)
107 throws ScriptException {
108 // default is identity conversion
109 return args;
110 }
111}
java/pkg/com/sun/script/util/ScriptEngineFactoryBase.java+56−0
@@ -0,0 +1,56 @@
1/*
2 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.script.util;
27import javax.script.*;
28
29/*
30 * Abstract super class for factory implementations.
31 *
32 * @author Mike Grogan
33 * @since 1.6
34 */
35public abstract class ScriptEngineFactoryBase implements ScriptEngineFactory {
36
37 public String getName() {
38 return (String)getParameter(ScriptEngine.NAME);
39 }
40
41 public String getEngineName() {
42 return (String)getParameter(ScriptEngine.ENGINE);
43 }
44
45 public String getEngineVersion() {
46 return (String)getParameter(ScriptEngine.ENGINE_VERSION);
47 }
48
49 public String getLanguageName() {
50 return (String)getParameter(ScriptEngine.LANGUAGE);
51 }
52
53 public String getLanguageVersion() {
54 return (String)getParameter(ScriptEngine.LANGUAGE_VERSION);
55 }
56}
java/pkg/com/sun/script/util/mkfile+12−0
@@ -0,0 +1,12 @@
1<../../../../../../mkconfig
2
3TARG=\
4 BindingsBase.dis\
5 BindingsEntrySet.dis\
6 BindingsImpl.dis\
7 InterfaceImplementor.dis\
8 ScriptEngineFactoryBase.dis\
9
10DISBIN=$ROOT/java/dis/java/java/com/sun/script/util
11
12<$ROOT/mkfiles/mkjava

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