1 files changed, 165 insertions, 0 deletions
diff --git a/src/com/kenai/jbosh/BodyQName.java b/src/com/kenai/jbosh/BodyQName.java
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+++ b/src/com/kenai/jbosh/BodyQName.java
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+/*
+ * Copyright 2009 Mike Cumings
+ *
+ * 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 com.kenai.jbosh;
+
+/**
+ * Qualified name of an attribute of the wrapper element.  This class is
+ * analagous to the {@code javax.xml.namespace.QName} class.
+ * Each qualified name consists of a namespace URI and a local name.
+ * <p/>
+ * Instances of this class are immutable and thread-safe.
+ */
+public final class BodyQName {
+
+    /**
+     * BOSH namespace URI.
+     */
+    static final String BOSH_NS_URI =
+            "http://jabber.org/protocol/httpbind";
+
+    /**
+     * Namespace URI.
+     */
+    private final QName qname;
+
+    /**
+     * Private constructor to prevent direct construction.
+     *
+     * @param wrapped QName instance to wrap
+     */
+    private BodyQName(
+            final QName wrapped) {
+        qname = wrapped;
+    }
+
+    /**
+     * Creates a new qualified name using a namespace URI and local name.
+     *
+     * @param uri namespace URI
+     * @param local local name
+     * @return BodyQName instance
+     */
+    public static BodyQName create(
+            final String uri,
+            final String local) {
+        return createWithPrefix(uri, local, null);
+    }
+
+    /**
+     * Creates a new qualified name using a namespace URI and local name
+     * along with an optional prefix.
+     *
+     * @param uri namespace URI
+     * @param local local name
+     * @param prefix optional prefix or @{code null} for no prefix
+     * @return BodyQName instance
+     */
+    public static BodyQName createWithPrefix(
+            final String uri,
+            final String local,
+            final String prefix) {
+        if (uri == null || uri.length() == 0) {
+            throw(new IllegalArgumentException(
+                    "URI is required and may not be null/empty"));
+        }
+        if (local == null || local.length() == 0) {
+            throw(new IllegalArgumentException(
+                    "Local arg is required and may not be null/empty"));
+        }
+        if (prefix == null || prefix.length() == 0) {
+            return new BodyQName(new QName(uri, local));
+        } else {
+            return new BodyQName(new QName(uri, local, prefix));
+        }
+    }
+
+    /**
+     * Get the namespace URI of this qualified name.
+     *
+     * @return namespace uri
+     */
+    public String getNamespaceURI() {
+        return qname.getNamespaceURI();
+    }
+
+    /**
+     * Get the local part of this qualified name.
+     *
+     * @return local name
+     */
+    public String  getLocalPart() {
+        return qname.getLocalPart();
+    }
+
+    /**
+     * Get the optional prefix used with this qualified name, or {@code null}
+     * if no prefix has been assiciated.
+     *
+     * @return prefix, or {@code null} if no prefix was supplied
+     */
+    public String getPrefix() {
+        return qname.getPrefix();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean equals(final Object obj) {
+        if (obj instanceof BodyQName) {
+            BodyQName other = (BodyQName) obj;
+            return qname.equals(other.qname);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public int hashCode() {
+        return qname.hashCode();
+    }
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Package-private methods:
+
+    /**
+     * Creates a new qualified name using the BOSH namespace URI and local name.
+     *
+     * @param local local name
+     * @return BodyQName instance
+     */
+    static BodyQName createBOSH(
+            final String local) {
+        return createWithPrefix(BOSH_NS_URI, local, null);
+    }
+
+    /**
+     * Convenience method to compare this qualified name with a
+     * {@code javax.xml.namespace.QName}.
+     *
+     * @param otherName QName to compare to
+     * @return @{code true} if the qualified name is the same, {@code false}
+     *  otherwise
+     */
+    boolean equalsQName(final QName otherName) {
+        return qname.equals(otherName);
+    }
+
+}