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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically
embedded into Java applications to provide scripting to end users.
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript.xmlimpl;
import org.mozilla.javascript.*;
/**
* Class Namespace
*
*/
class Namespace extends IdScriptableObject
{
static final long serialVersionUID = -5765755238131301744L;
private static final Object NAMESPACE_TAG = "Namespace";
private Namespace prototype;
private XmlNode.Namespace ns;
private Namespace() {
}
static Namespace create(Scriptable scope, Namespace prototype, XmlNode.Namespace namespace) {
Namespace rv = new Namespace();
rv.setParentScope(scope);
rv.prototype = prototype;
rv.setPrototype(prototype);
rv.ns = namespace;
return rv;
}
final XmlNode.Namespace getDelegate() {
return ns;
}
public void exportAsJSClass(boolean sealed) {
exportAsJSClass(MAX_PROTOTYPE_ID, this.getParentScope(), sealed);
}
public String uri() {
return ns.getUri();
}
public String prefix() {
return ns.getPrefix();
}
@Override
public String toString() {
return uri();
}
public String toLocaleString() {
return toString();
}
private boolean equals(Namespace n) {
return uri().equals(n.uri());
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof Namespace)) return false;
return equals((Namespace)obj);
}
@Override
public int hashCode() {
return uri().hashCode();
}
@Override
protected Object equivalentValues(Object value) {
if (!(value instanceof Namespace)) return Scriptable.NOT_FOUND;
boolean result = equals((Namespace)value);
return result ? Boolean.TRUE : Boolean.FALSE;
}
@Override
public String getClassName() {
return "Namespace";
}
@Override
public Object getDefaultValue(Class hint) {
return uri();
}
// #string_id_map#
private static final int
Id_prefix = 1,
Id_uri = 2,
MAX_INSTANCE_ID = 2;
@Override
protected int getMaxInstanceId()
{
return super.getMaxInstanceId() + MAX_INSTANCE_ID;
}
@Override
protected int findInstanceIdInfo(String s)
{
int id;
// #generated# Last update: 2007-08-20 08:23:22 EDT
L0: { id = 0; String X = null;
int s_length = s.length();
if (s_length==3) { X="uri";id=Id_uri; }
else if (s_length==6) { X="prefix";id=Id_prefix; }
if (X!=null && X!=s && !X.equals(s)) id = 0;
break L0;
}
// #/generated#
if (id == 0) return super.findInstanceIdInfo(s);
int attr;
switch (id) {
case Id_prefix:
case Id_uri:
attr = PERMANENT | READONLY;
break;
default: throw new IllegalStateException();
}
return instanceIdInfo(attr, super.getMaxInstanceId() + id);
}
// #/string_id_map#
@Override
protected String getInstanceIdName(int id)
{
switch (id - super.getMaxInstanceId()) {
case Id_prefix: return "prefix";
case Id_uri: return "uri";
}
return super.getInstanceIdName(id);
}
@Override
protected Object getInstanceIdValue(int id)
{
switch (id - super.getMaxInstanceId()) {
case Id_prefix:
if (ns.getPrefix() == null) return Undefined.instance;
return ns.getPrefix();
case Id_uri:
return ns.getUri();
}
return super.getInstanceIdValue(id);
}
// #string_id_map#
private static final int
Id_constructor = 1,
Id_toString = 2,
Id_toSource = 3,
MAX_PROTOTYPE_ID = 3;
@Override
protected int findPrototypeId(String s)
{
int id;
// #generated# Last update: 2007-08-20 08:23:22 EDT
L0: { id = 0; String X = null; int c;
int s_length = s.length();
if (s_length==8) {
c=s.charAt(3);
if (c=='o') { X="toSource";id=Id_toSource; }
else if (c=='t') { X="toString";id=Id_toString; }
}
else if (s_length==11) { X="constructor";id=Id_constructor; }
if (X!=null && X!=s && !X.equals(s)) id = 0;
break L0;
}
// #/generated#
return id;
}
// #/string_id_map#
@Override
protected void initPrototypeId(int id)
{
String s;
int arity;
switch (id) {
case Id_constructor: arity=2; s="constructor"; break;
case Id_toString: arity=0; s="toString"; break;
case Id_toSource: arity=0; s="toSource"; break;
default: throw new IllegalArgumentException(String.valueOf(id));
}
initPrototypeMethod(NAMESPACE_TAG, id, s, arity);
}
@Override
public Object execIdCall(IdFunctionObject f,
Context cx,
Scriptable scope,
Scriptable thisObj,
Object[] args)
{
if (!f.hasTag(NAMESPACE_TAG)) {
return super.execIdCall(f, cx, scope, thisObj, args);
}
int id = f.methodId();
switch (id) {
case Id_constructor:
return jsConstructor(cx, (thisObj == null), args);
case Id_toString:
return realThis(thisObj, f).toString();
case Id_toSource:
return realThis(thisObj, f).js_toSource();
}
throw new IllegalArgumentException(String.valueOf(id));
}
private Namespace realThis(Scriptable thisObj, IdFunctionObject f) {
if(!(thisObj instanceof Namespace))
throw incompatibleCallError(f);
return (Namespace)thisObj;
}
Namespace newNamespace(String uri) {
Namespace prototype = (this.prototype == null) ? this : this.prototype;
return create( this.getParentScope(), prototype, XmlNode.Namespace.create(uri) );
}
Namespace newNamespace(String prefix, String uri) {
if (prefix == null) return newNamespace(uri);
Namespace prototype = (this.prototype == null) ? this : this.prototype;
return create( this.getParentScope(), prototype, XmlNode.Namespace.create(prefix, uri) );
}
Namespace constructNamespace(Object uriValue) {
String prefix;
String uri;
if (uriValue instanceof Namespace) {
Namespace ns = (Namespace)uriValue;
prefix = ns.prefix();
uri = ns.uri();
} else if (uriValue instanceof QName) {
QName qname = (QName)uriValue;
uri = qname.uri();
if (uri != null) {
// TODO Is there a way to push this back into QName so that we can make prefix() private?
prefix = qname.prefix();
} else {
uri = qname.toString();
prefix = null;
}
} else {
uri = ScriptRuntime.toString(uriValue);
prefix = (uri.length() == 0) ? "" : null;
}
return newNamespace(prefix, uri);
}
Namespace castToNamespace(Object namespaceObj) {
if (namespaceObj instanceof Namespace) {
return (Namespace)namespaceObj;
}
return constructNamespace(namespaceObj);
}
private Namespace constructNamespace(Object prefixValue, Object uriValue) {
String prefix;
String uri;
if (uriValue instanceof QName) {
QName qname = (QName)uriValue;
uri = qname.uri();
if (uri == null) {
uri = qname.toString();
}
} else {
uri = ScriptRuntime.toString(uriValue);
}
if (uri.length() == 0) {
if (prefixValue == Undefined.instance) {
prefix = "";
} else {
prefix = ScriptRuntime.toString(prefixValue);
if (prefix.length() != 0) {
throw ScriptRuntime.typeError(
"Illegal prefix '"+prefix+"' for 'no namespace'.");
}
}
} else if (prefixValue == Undefined.instance) {
prefix = "";
} else if (!XMLName.accept(prefixValue)) {
prefix = "";
} else {
prefix = ScriptRuntime.toString(prefixValue);
}
return newNamespace(prefix, uri);
}
private Namespace constructNamespace() {
return newNamespace("", "");
}
private Object jsConstructor(Context cx, boolean inNewExpr, Object[] args)
{
if (!inNewExpr && args.length == 1) {
return castToNamespace(args[0]);
}
if (args.length == 0) {
return constructNamespace();
} else if (args.length == 1) {
return constructNamespace(args[0]);
} else {
return constructNamespace(args[0], args[1]);
}
}
private String js_toSource()
{
StringBuilder sb = new StringBuilder();
sb.append('(');
toSourceImpl(ns.getPrefix(), ns.getUri(), sb);
sb.append(')');
return sb.toString();
}
static void toSourceImpl(String prefix, String uri, StringBuilder sb)
{
sb.append("new Namespace(");
if (uri.length() == 0) {
if (!"".equals(prefix)) throw new IllegalArgumentException(prefix);
} else {
sb.append('\'');
if (prefix != null) {
sb.append(ScriptRuntime.escapeString(prefix, '\''));
sb.append("', '");
}
sb.append(ScriptRuntime.escapeString(uri, '\''));
sb.append('\'');
}
sb.append(')');
}
}
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