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From d...@apache.org
Subject svn commit: r434204 - in /geronimo/xbean/branches/colossus/xbean-naming/src: main/java/org/apache/xbean/naming/context/ test/java/org/apache/xbean/naming/context/
Date Wed, 23 Aug 2006 21:50:35 GMT
Author: dain
Date: Wed Aug 23 14:50:34 2006
New Revision: 434204

URL: http://svn.apache.org/viewvc?rev=434204&view=rev
Log:
Merged WritableContext and UnmodifiableContext together by adding fine grained a ContextAccess
object to AbstractFederatedContext.  Currently only a blunt "the whole tree is (un)modifible"
flag is implemented but we can easily implement a more fine grained approach.

Added:
    geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/ContextAccess.java
Removed:
    geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/UnmodifiableContext.java
Modified:
    geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/AbstractFederatedContext.java
    geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/WritableContext.java
    geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/AbstractContextTest.java
    geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/UnmodifiableContextTest.java

Modified: geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/AbstractFederatedContext.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/AbstractFederatedContext.java?rev=434204&r1=434203&r2=434204&view=diff
==============================================================================
--- geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/AbstractFederatedContext.java
(original)
+++ geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/AbstractFederatedContext.java
Wed Aug 23 14:50:34 2006
@@ -20,6 +20,7 @@
 import javax.naming.Name;
 import javax.naming.NamingEnumeration;
 import javax.naming.Context;
+import javax.naming.OperationNotSupportedException;
 import java.util.Map;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -29,13 +30,21 @@
  */
 public abstract class AbstractFederatedContext extends AbstractContext {
     private final ContextFederation contextFederation = new ContextFederation(this);
+    private final ContextAccess contextAccess;
+    private final boolean modifiable;
 
     public AbstractFederatedContext() {
-        this("");
+        this("", ContextAccess.MODIFIABLE);
     }
 
     public AbstractFederatedContext(String nameInNamespace) {
+        this(nameInNamespace, ContextAccess.MODIFIABLE);
+    }
+
+    protected AbstractFederatedContext(String nameInNamespace, ContextAccess contextAccess)
{
         super(nameInNamespace);
+        this.contextAccess = contextAccess;
+        modifiable = contextAccess.isModifiable(getParsedNameInNamespace());
     }
 
     protected Object faultLookup(String stringName, Name parsedName) {
@@ -82,14 +91,100 @@
         return false;
     }
 
+    public void bind(String name, Object obj) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.bind(name, obj);
+    }
+
+    public void bind(Name name, Object obj) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.bind(name, obj);
+    }
+
+    public void rebind(String name, Object obj) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.rebind(name, obj);
+    }
+
+    public void rebind(Name name, Object obj) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.rebind(name, obj);
+    }
+
+    public void rename(String oldName, String newName) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.rename(oldName, newName);
+    }
+
+    public void rename(Name oldName, Name newName) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.rename(oldName, newName);
+    }
+
+    public void unbind(String name) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.unbind(name);
+    }
+
+    public void unbind(Name name) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.unbind(name);
+    }
+
+    public Context createSubcontext(String name) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        return super.createSubcontext(name);
+    }
+
+    public Context createSubcontext(Name name) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        return super.createSubcontext(name);
+    }
+
+    public void destroySubcontext(String name) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.destroySubcontext(name);
+    }
+
+    public void destroySubcontext(Name name) throws NamingException {
+        if (!modifiable) {
+            throw new OperationNotSupportedException("Context is read only");
+        }
+        super.destroySubcontext(name);
+    }
+
     public abstract class AbstractNestedFederatedContext extends AbstractContext {
         private final ContextFederation contextFederation;
+        private final boolean modifiable;
 
         public AbstractNestedFederatedContext(String path) throws NamingException {
             super(AbstractFederatedContext.this.getNameInNamespace(path));
 
-            ContextFederation outerContextFederation = getOuterContext().contextFederation;
-            this.contextFederation = outerContextFederation.createSubcontextFederation(path,
this);
+            AbstractFederatedContext outerContext = getOuterContext();
+            this.contextFederation = outerContext.contextFederation.createSubcontextFederation(path,
this);
+            this.modifiable = outerContext.contextAccess.isModifiable(getParsedNameInNamespace());
         }
 
         public boolean isNestedSubcontext(Object value) {
@@ -138,6 +233,90 @@
                     nestedContext.addFederatedContext(federatedContext);
                 }
             }
+        }
+
+        public void bind(String name, Object obj) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.bind(name, obj);
+        }
+
+        public void bind(Name name, Object obj) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.bind(name, obj);
+        }
+
+        public void rebind(String name, Object obj) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.rebind(name, obj);
+        }
+
+        public void rebind(Name name, Object obj) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.rebind(name, obj);
+        }
+
+        public void rename(String oldName, String newName) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.rename(oldName, newName);
+        }
+
+        public void rename(Name oldName, Name newName) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.rename(oldName, newName);
+        }
+
+        public void unbind(String name) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.unbind(name);
+        }
+
+        public void unbind(Name name) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.unbind(name);
+        }
+
+        public Context createSubcontext(String name) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            return super.createSubcontext(name);
+        }
+
+        public Context createSubcontext(Name name) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            return super.createSubcontext(name);
+        }
+
+        public void destroySubcontext(String name) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.destroySubcontext(name);
+        }
+
+        public void destroySubcontext(Name name) throws NamingException {
+            if (!modifiable) {
+                throw new OperationNotSupportedException("Context is read only");
+            }
+            super.destroySubcontext(name);
         }
     }
 }

Added: geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/ContextAccess.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/ContextAccess.java?rev=434204&view=auto
==============================================================================
--- geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/ContextAccess.java
(added)
+++ geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/ContextAccess.java
Wed Aug 23 14:50:34 2006
@@ -0,0 +1,38 @@
+/**
+ *
+ * Copyright 2006 The Apache Software Foundation
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.apache.xbean.naming.context;
+
+import javax.naming.Name;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface ContextAccess {
+    ContextAccess MODIFIABLE = new ContextAccess() {
+        public boolean isModifiable(Name name) {
+            return true;
+        }
+    };
+
+    ContextAccess UNMODIFIABLE = new ContextAccess() {
+        public boolean isModifiable(Name name) {
+            return false;
+        }
+    };
+
+    boolean isModifiable(Name name);
+}

Modified: geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/WritableContext.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/WritableContext.java?rev=434204&r1=434203&r2=434204&view=diff
==============================================================================
--- geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/WritableContext.java
(original)
+++ geronimo/xbean/branches/colossus/xbean-naming/src/main/java/org/apache/xbean/naming/context/WritableContext.java
Wed Aug 23 14:50:34 2006
@@ -38,24 +38,29 @@
     private final AtomicReference indexRef;
 
     public WritableContext() throws NamingException {
-        this("", Collections.EMPTY_MAP, true);
+        this("", Collections.EMPTY_MAP, ContextAccess.MODIFIABLE, true);
     }
 
     public WritableContext(String nameInNamespace) throws NamingException {
-        this(nameInNamespace, Collections.EMPTY_MAP, true);
+        this(nameInNamespace, Collections.EMPTY_MAP, ContextAccess.MODIFIABLE, true);
     }
 
-    public WritableContext(Map bindings) throws NamingException {
-        this("", bindings, true);
+    public WritableContext(String nameInNamespace, Map bindings) throws NamingException {
+        this(nameInNamespace, bindings, ContextAccess.MODIFIABLE, true);
     }
 
-    public WritableContext(Map bindings, boolean cacheReferences) throws NamingException
{
-        this("", bindings, cacheReferences);
+    public WritableContext(String nameInNamespace, Map bindings, boolean cacheReferences)
throws NamingException {
+        this(nameInNamespace, bindings, ContextAccess.MODIFIABLE, cacheReferences);
     }
 
-    public WritableContext(String nameInNamespace, Map bindings, boolean cacheReferences)
throws NamingException {
-        super(nameInNamespace);
+    public WritableContext(String nameInNamespace, Map bindings, ContextAccess contextAccess)
throws NamingException {
+        this(nameInNamespace, bindings, contextAccess, true);
+    }
+
+    public WritableContext(String nameInNamespace, Map bindings, ContextAccess contextAccess,
boolean cacheReferences) throws NamingException {
+        super(nameInNamespace, contextAccess);
 
+        // todo we need to wrap any reference bound, not just the initial bindings
         if (cacheReferences) {
             bindings = CachingReference.wrapReferences(bindings);
         }

Modified: geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/AbstractContextTest.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/AbstractContextTest.java?rev=434204&r1=434203&r2=434204&view=diff
==============================================================================
--- geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/AbstractContextTest.java
(original)
+++ geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/AbstractContextTest.java
Wed Aug 23 14:50:34 2006
@@ -22,6 +22,7 @@
 import javax.naming.NamingException;
 import javax.naming.Name;
 import javax.naming.NamingEnumeration;
+import javax.naming.OperationNotSupportedException;
 import java.util.Map;
 import java.util.Iterator;
 import java.util.TreeSet;
@@ -144,6 +145,104 @@
         extraNames.removeAll(node.keySet());
         if (!extraNames.isEmpty()) {
             fail("list of " + name + " on " + contextName + " did not find values: " + extraNames);
+        }
+    }
+
+    public static void assertUnmodifiable(Context context) throws Exception {
+        Object value = "VALUE";
+        String nameString = "TEST_NAME";
+        Name name = context.getNameParser("").parse(nameString);
+
+        //
+        // bind
+        //
+        try {
+            context.bind(nameString, value);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        try {
+            context.bind(name, value);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        //
+        // rebind
+        //
+        try {
+            context.rebind(nameString, value);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        try {
+            context.rebind(name, value);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        //
+        // rename
+        //
+        String newNameString = "NEW_TEST_NAME";
+        Name newName = context.getNameParser("").parse(newNameString);
+        try {
+            context.rename(nameString, newNameString);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        try {
+            context.rename(name, newName);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        //
+        // unbind
+        //
+        try {
+            context.unbind(nameString);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        try {
+            context.unbind(name);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        //
+        // createSubcontext
+        //
+        try {
+            context.createSubcontext(nameString);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        try {
+            context.createSubcontext(name);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        //
+        // destroySubcontext
+        //
+        try {
+            context.destroySubcontext(nameString);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
+        }
+
+        try {
+            context.destroySubcontext(name);
+            fail("Expected an OperationNotSupportedException");
+        } catch(OperationNotSupportedException expected) {
         }
     }
 }

Modified: geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/UnmodifiableContextTest.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/UnmodifiableContextTest.java?rev=434204&r1=434203&r2=434204&view=diff
==============================================================================
--- geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/UnmodifiableContextTest.java
(original)
+++ geronimo/xbean/branches/colossus/xbean-naming/src/test/java/org/apache/xbean/naming/context/UnmodifiableContextTest.java
Wed Aug 23 14:50:34 2006
@@ -29,9 +29,9 @@
 public class UnmodifiableContextTest extends AbstractContextTest {
     private static final String STRING_VAL = "some string";
 
-    private final class MutableContext extends UnmodifiableContext {
+    private final class MutableContext extends WritableContext {
         public MutableContext(Map bindings) throws NamingException {
-            super(bindings);
+            super("", bindings, ContextAccess.UNMODIFIABLE);
         }
 
         public void addDeepBinding(Name name, Object value, boolean rebind, boolean createIntermediateContexts)
throws NamingException {
@@ -52,9 +52,10 @@
         map.put("a/b/c/d/e/two", new Integer(2));
         map.put("a/b/c/d/e/three", new Integer(3));
 
-        Context context = new UnmodifiableContext(map);
+        Context context = new WritableContext("", map, ContextAccess.UNMODIFIABLE);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
     }
 
     public void testAddBinding() throws Exception {
@@ -69,6 +70,7 @@
         MutableContext context = new MutableContext(map);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
 
         // add a new deep tree
         map.put("uno/dos/tres", new Integer(123));
@@ -76,12 +78,14 @@
         context.addDeepBinding(parser.parse("uno/dos/tres"), new Integer(123), false, true);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
 
         // modify an existing context
         map.put("a/b/c/d/e/four", new Integer(4));
         context.addDeepBinding(parser.parse("a/b/c/d/e/four"), new Integer(4), false, true);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
     }
 
 
@@ -97,6 +101,7 @@
         MutableContext context = new MutableContext(map);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
 
         // remove from an exisitng node
         map.remove("a/b/c/d/e/three");
@@ -104,13 +109,13 @@
         context.removeDeepBinding(parser.parse("a/b/c/d/e/three"), true);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
 
         // remove a deep single element element... empty nodes should be removed
         map.remove("nested/context/string");
         context.removeDeepBinding(parser.parse("nested/context/string"), true);
 
         assertEq(map, context);
+        assertUnmodifiable(context);
     }
-
-
 }



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