gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dynobject / impl / DefaultDynObjectManager.java @ 1031
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.tools.dynobject.impl; |
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|
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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|
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynClassName; |
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import org.gvsig.tools.dynobject.DynField_LabelAttribute; |
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import org.gvsig.tools.dynobject.DynField_v2; |
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import org.gvsig.tools.dynobject.DynMethod; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.DynObjectManager; |
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import org.gvsig.tools.dynobject.DynObjectPagingHelper; |
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import org.gvsig.tools.dynobject.DynObjectRuntimeException; |
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import org.gvsig.tools.dynobject.DynObjectSet; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.dynobject.exception.DuplicateDynClassException; |
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import org.gvsig.tools.dynobject.exception.DynMethodException; |
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import org.gvsig.tools.dynobject.exception.DynMethodIllegalCodeException; |
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import org.gvsig.tools.dynobject.exception.DynMethodNotSupportedException; |
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import org.gvsig.tools.dynobject.exception.IllegalDynMethodException; |
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import org.gvsig.tools.dynobject.exception.IllegalDynMethodInvocationException; |
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import org.gvsig.tools.exception.BaseException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.xmlpull.v1.XmlPullParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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/**
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* Default {@link DynObjectManager} implementation.
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*
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* @author gvSIG Team
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* @version $Id$
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*/
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public class DefaultDynObjectManager implements DynObjectManager { |
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private final static Logger LOG = LoggerFactory |
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.getLogger(DefaultDynObjectManager.class); |
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private static DefaultDynObjectManager manager = null; |
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private class MethodInfo { |
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int code;
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DynClass dynClass; |
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DynMethod dynMethod; |
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Class theClass;
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MethodInfo(Class theClass, DynClass dynClass, DynMethod dynMethod,
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int code) {
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this.code = code;
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this.dynClass = dynClass;
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this.dynMethod = dynMethod;
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this.theClass = theClass;
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} |
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String getKey() {
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return DefaultDynObjectManager
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.getKey(theClass, dynClass, dynMethod); |
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} |
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void check(Class theClass, int code) throws DynMethodException { |
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if (code != this.code) { |
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throw new DynMethodIllegalCodeException(dynMethod.getName(), |
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this.code, code);
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} |
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if (theClass != null) { |
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if (this.theClass == null) { |
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throw new IllegalDynMethodInvocationException( |
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dynMethod.getName(), theClass); |
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} |
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if (!this.theClass.isAssignableFrom(theClass)) { |
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throw new IllegalDynMethodInvocationException( |
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dynMethod.getName(), theClass); |
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} |
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} |
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} |
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void check(DynClass dynClass, int code) throws DynMethodException { |
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if (code != this.code) { |
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throw new DynMethodIllegalCodeException(dynMethod.getName(), |
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this.code, code);
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} |
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if (dynClass != null) { |
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if (this.dynClass == null) { |
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throw new IllegalDynMethodInvocationException( |
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dynMethod.getName(), dynClass); |
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} |
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if (dynClass != this.dynClass |
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|| !dynClass.getName().equalsIgnoreCase( |
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this.dynClass.getName())) {
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throw new IllegalDynMethodInvocationException( |
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dynMethod.getName(), dynClass); |
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} |
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} |
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} |
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} |
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private class ClassesNamespaces { |
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private Map defaultNamespace; |
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private Map namespaces; |
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ClassesNamespaces() { |
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this.namespaces = new HashMap(); |
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this.defaultNamespace = new HashMap(); |
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} |
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public Map addNamespace(String name) { |
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Map namespace = new HashMap(); |
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this.namespaces.put(name.toLowerCase(), namespace);
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return namespace;
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} |
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public Map getNamespace(String name) { |
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return (Map) this.namespaces.get(name.toLowerCase()); |
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} |
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// public void clear() {
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// this.defaultNamespace.clear();
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// this.namespaces.clear();
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// }
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public boolean containsClass(String name) { |
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name = name.toLowerCase(); |
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if (this.defaultNamespace.containsKey(name)) { |
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return true; |
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} |
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Iterator it = this.namespaces.values().iterator(); |
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while (it.hasNext()) {
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Map names = (Map) it.next(); |
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if (names.containsKey(name)) {
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return true; |
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} |
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} |
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return false; |
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} |
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public boolean containsClass(String namespace, String name) { |
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name = name.toLowerCase(); |
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if (namespace == null) { |
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return this.defaultNamespace.containsKey(name); |
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} |
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Map space = this.getNamespace(namespace); |
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if (space == null) { |
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return false; |
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} |
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return space.containsKey(name);
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} |
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// public boolean containsClass(DynClass dynClass) {
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// if (this.defaultNamespace.containsValue(dynClass)) {
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// return true;
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// }
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//
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// Iterator it = this.namespaces.values().iterator();
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// while (it.hasNext()) {
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// Map names = (Map) it.next();
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// if (names.containsValue(dynClass)) {
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// return true;
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// }
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// }
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// return false;
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// }
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public DynClass get(String name, String namespace) { |
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if (namespace == null) { |
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return (DynClass) this.defaultNamespace.get(name.toLowerCase()); |
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} |
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Map space = this.getNamespace(namespace); |
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if (space == null) { |
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return null; |
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} |
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DynClassName className = new DefaultDynClassName(name);
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if (className.getNamespace()==null){ |
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return (DynClass) space.get(name.toLowerCase());
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} |
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if (!namespace.equalsIgnoreCase(className.getNamespace())){
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return null; |
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} |
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return (DynClass) space.get(className.getName().toLowerCase());
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} |
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public Set keySet() { |
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Set keyset = new HashSet(); |
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Iterator it = this.iterator(); |
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while (it.hasNext()) {
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DynClass dynClass = (DynClass) it.next(); |
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keyset.add(dynClass.getFullName()); |
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} |
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return keyset;
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} |
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public Iterator iterator() { |
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final class MyIterator implements Iterator { |
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Iterator current;
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Iterator others;
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MyIterator(Iterator main, Iterator others) { |
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this.current = main;
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this.others = others;
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} |
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public boolean hasNext() { |
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if (this.current.hasNext()) { |
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return true; |
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} |
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while (this.others.hasNext()) { |
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Object obj = others.next();
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this.current = (Iterator) ((HashMap) obj).values().iterator(); |
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if (this.current.hasNext()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public Object next() { |
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if (this.current.hasNext()) { |
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return this.current.next(); |
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} |
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while (this.others.hasNext()) { |
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Object obj = others.next();
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this.current = (Iterator) ((HashMap) obj).values().iterator(); |
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if (this.current.hasNext()) { |
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return this.current.next(); |
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} |
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} |
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return null; |
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} |
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public void remove() { |
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throw new UnsupportedOperationException(); |
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} |
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} |
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return new MyIterator(this.defaultNamespace.values().iterator(), |
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this.namespaces.values().iterator());
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} |
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public Object add(DynStruct dynClass) { |
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String name = dynClass.getName().toLowerCase();
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Map namespace;
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if (dynClass.getNamespace() != null) { |
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namespace = (Map) this.getNamespace(dynClass.getNamespace()); |
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if (namespace == null) { |
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namespace = this.addNamespace(dynClass.getNamespace());
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} |
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} else {
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namespace = this.defaultNamespace;
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} |
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if (namespace.containsKey(name)) {
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throw new DuplicateDynClassException(dynClass); |
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} |
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return namespace.put(name, dynClass);
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} |
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public void remove(DynStruct dynClass) { |
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String name = dynClass.getName().toLowerCase();
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Map namespace;
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if (dynClass.getNamespace() != null) { |
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namespace = (Map) this.getNamespace(dynClass.getNamespace()); |
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if (namespace == null) { |
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namespace = this.addNamespace(dynClass.getNamespace());
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} |
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} else {
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namespace = this.defaultNamespace;
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} |
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if (namespace.containsKey(name)) {
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namespace.remove(name); |
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} |
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} |
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public int size() { |
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int count = this.defaultNamespace.size(); |
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Iterator it = this.namespaces.values().iterator(); |
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while (it.hasNext()) {
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Map names = (Map) it.next(); |
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count += names.size(); |
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} |
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return count;
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} |
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} |
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private Map anonymousClasses; |
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private ClassesNamespaces classes;
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private Map methodsMap; |
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private MethodInfo[] methods; |
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public static DefaultDynObjectManager getManager() { |
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if (manager == null) { |
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manager = new DefaultDynObjectManager();
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} |
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return manager;
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} |
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static String getKey(Class theClass, DynClass dynClass, DynMethod dynMethod) { |
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return DefaultDynObjectManager.getKey(theClass, dynClass,
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dynMethod.getName()); |
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} |
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static String getKey(Class theClass, DynClass dynClass, String methodName) { |
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if (dynClass == null) { |
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return theClass.getName() + ":" + methodName; |
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} else {
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return dynClass.getName() + ":" + methodName; |
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} |
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} |
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public DefaultDynObjectManager() {
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this.classes = new ClassesNamespaces(); |
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this.anonymousClasses = new HashMap(); |
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this.methodsMap = new HashMap(); |
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this.methods = null; |
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} |
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public DynClass createDynClass(String name, String description) { |
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return new DefaultDynClass(this, name, description); |
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} |
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public DynClass createDynClass(String namespace, String name, |
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String description) {
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return new DefaultDynClass(this, namespace, name, description); |
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} |
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public void add(DynClass dynClass) { |
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try {
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((DefaultDynClass) dynClass).check(); |
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} catch (Exception ex) { |
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throw new DynObjectRuntimeException(ex); |
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} |
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this.classes.add(dynClass);
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LOG.trace("Add DynClass definition {}.",
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new Object[] { dynClass.getFullName() }); |
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} |
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public DynClass add(String name, String description) { |
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DynClass dynClass = |
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(DynClass) this.classes.get(name.toLowerCase(), null); |
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if (dynClass == null) { |
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dynClass = this.createDynClass(name, description);
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this.add(dynClass);
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} |
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return dynClass;
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} |
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public DynClass add(String name) { |
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return this.add(name, null); |
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} |
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public void remove(DynStruct dynClass) { |
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this.classes.remove(dynClass);
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} |
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// public static String getFullName(String namespace, String name) {
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// if( namespace == null ) {
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// return name;
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// }
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// return namespace + ":" + name;
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// }
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// public static String[] splitFullName(String fullname) {
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// String[] name = new String[] { null, fullname };
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// int x=fullname.indexOf(':');
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// if( x>-1 ) {
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// name[0] = fullname.substring(0, x);
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// name[1] = fullname.substring(x+1);
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// }
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// return name;
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//
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// }
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public DynClass get(String theName) { |
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DynClassName name = createDynClassName(theName); |
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return this.get(name.getNamespace(), name.getName()); |
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} |
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|
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public DynClass get(String namespace, String name) { |
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return (DynClass) this.classes.get(name, namespace); |
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} |
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|
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public DynClass get(DynClass[] superClasses) { |
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StringBuffer name = new StringBuffer(); |
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for (int i = 0; i < superClasses.length; i++) { |
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name.append(superClasses[i].getName()).append("+");
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} |
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DefaultDynClass dynClass = |
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(DefaultDynClass) this.anonymousClasses.get(name.toString());
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if (dynClass == null) { |
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dynClass = |
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new DefaultDynClass(this, name.toString(), null, superClasses); |
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dynClass.setAnonymous(true);
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} |
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return dynClass;
|
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} |
433 |
|
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public int getCount() { |
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return this.classes.size(); |
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} |
437 |
|
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public List getNames() { |
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String[] names = (String[]) this.classes.keySet().toArray(); |
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Arrays.sort(names);
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return Collections.unmodifiableList(Arrays.asList(names)); |
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} |
443 |
|
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public boolean has(String name) { |
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return this.classes.containsClass(name); |
446 |
} |
447 |
|
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public boolean has(String namespace, String name) { |
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return this.classes.containsClass(namespace, name); |
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} |
451 |
|
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public Iterator iterator() { |
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return this.classes.iterator(); |
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} |
455 |
|
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public DynObject createDynObject(String dynClassName) { |
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DynClassName name = createDynClassName(dynClassName); |
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return this.createDynObject(name.getName(), name.getNamespace()); |
459 |
} |
460 |
|
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public DynObject createDynObject(String dynClassName, String namespace) { |
462 |
|
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DynClass dynClass = |
464 |
(DynClass) this.classes.get(dynClassName, namespace);
|
465 |
if (dynClass == null) { |
466 |
throw new IllegalArgumentException("Can't locate class '" |
467 |
+ createDynClassName(namespace, dynClassName).getFullName() |
468 |
+ "'.");
|
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} |
470 |
return this.createDynObject(dynClass); |
471 |
} |
472 |
|
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public DynObject createDynObject(DynStruct dynClass) {
|
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return new DefaultDynObject(dynClass); |
475 |
} |
476 |
|
477 |
public void consolide() { |
478 |
Iterator it = this.classes.iterator(); |
479 |
while (it.hasNext()) {
|
480 |
DefaultDynClass dc = (DefaultDynClass) it.next(); |
481 |
dc.consolide(); |
482 |
} |
483 |
it = this.anonymousClasses.values().iterator();
|
484 |
while (it.hasNext()) {
|
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DefaultDynClass dc = (DefaultDynClass) it.next(); |
486 |
dc.consolide(); |
487 |
} |
488 |
} |
489 |
|
490 |
public int registerDynMethod(DynClass dynClass, DynMethod dynMethod) { |
491 |
((DefaultDynClass) dynClass).addMethod(dynMethod); |
492 |
return registerDynMethod(null, dynClass, dynMethod); |
493 |
} |
494 |
|
495 |
public int registerDynMethod(Class theClass, DynMethod dynMethod) { |
496 |
return registerDynMethod(theClass, null, dynMethod); |
497 |
} |
498 |
|
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int registerDynMethod(Class theClass, DynClass dynClass, DynMethod dynMethod) { |
500 |
MethodInfo info = new MethodInfo(theClass, dynClass, dynMethod, 0); |
501 |
MethodInfo oldInfo = (MethodInfo) methodsMap.get(info.getKey()); |
502 |
if (oldInfo != null) { |
503 |
// Update the method info
|
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oldInfo.dynClass = dynClass; |
505 |
oldInfo.dynMethod = dynMethod; |
506 |
return oldInfo.code;
|
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} |
508 |
if (methods == null) { |
509 |
methods = new MethodInfo[1]; |
510 |
info.code = 0;
|
511 |
} else {
|
512 |
MethodInfo[] temp1 = new MethodInfo[methods.length + 1]; |
513 |
System.arraycopy(methods, 0, temp1, 0, methods.length); |
514 |
info.code = temp1.length - 1;
|
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methods = temp1; |
516 |
} |
517 |
methods[info.code] = info; |
518 |
methodsMap.put(info.getKey(), info); |
519 |
|
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return info.code;
|
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} |
522 |
|
523 |
public Object invokeDynMethod(Object self, int code, DynObject context) |
524 |
throws DynMethodException {
|
525 |
|
526 |
try {
|
527 |
/*
|
528 |
* Intentamos ejecutar la operacion, y si peta ya haremos las
|
529 |
* comprobaciones oportunas para lanzar la excepcion que toque.
|
530 |
*
|
531 |
* Asi evitamos codigo de comprobacion para los casos que valla bien
|
532 |
* que deberian ser la mayoria.
|
533 |
*/
|
534 |
return methods[code].dynMethod.invoke(self, context);
|
535 |
} catch (RuntimeException e) { |
536 |
getDynMethod(self, code); |
537 |
throw e;
|
538 |
} catch (DynMethodException e) {
|
539 |
getDynMethod(self, code); |
540 |
throw e;
|
541 |
} |
542 |
|
543 |
} |
544 |
|
545 |
public int getDynMethodCode(DynClass dynClass, String methodName) |
546 |
throws DynMethodException {
|
547 |
String key = DefaultDynObjectManager.getKey(null, dynClass, methodName); |
548 |
MethodInfo info = (MethodInfo) methodsMap.get(key); |
549 |
if (info == null) { |
550 |
throw new IllegalDynMethodException(methodName, dynClass); |
551 |
} |
552 |
info.check(dynClass, info.code); |
553 |
return info.code;
|
554 |
} |
555 |
|
556 |
public int getDynMethodCode(Class theClass, String methodName) |
557 |
throws DynMethodException {
|
558 |
String key = DefaultDynObjectManager.getKey(theClass, null, methodName); |
559 |
MethodInfo info = (MethodInfo) methodsMap.get(key); |
560 |
if (info == null) { |
561 |
throw new IllegalDynMethodException(methodName, theClass); |
562 |
} |
563 |
info.check(theClass, info.code); |
564 |
return info.code;
|
565 |
} |
566 |
|
567 |
public DynMethod getDynMethod(int code) throws DynMethodException { |
568 |
if (code >= methods.length) {
|
569 |
throw new DynMethodNotSupportedException(code, "{null}"); |
570 |
} |
571 |
MethodInfo info = methods[code]; |
572 |
info.check((Class) null, code); |
573 |
return info.dynMethod;
|
574 |
} |
575 |
|
576 |
public DynMethod getDynMethod(Object obj, int code) |
577 |
throws DynMethodException {
|
578 |
return getDynMethod(obj.getClass(), code);
|
579 |
} |
580 |
|
581 |
public DynMethod getDynMethod(Class theClass, int code) |
582 |
throws DynMethodException {
|
583 |
if (code >= methods.length) {
|
584 |
throw new DynMethodNotSupportedException(code, theClass.getName()); |
585 |
} |
586 |
MethodInfo info = methods[code]; |
587 |
info.check(theClass, code); |
588 |
return info.dynMethod;
|
589 |
} |
590 |
|
591 |
public DynMethod getDynMethod(DynClass dynClass, int code) |
592 |
throws DynMethodException {
|
593 |
if (code >= methods.length) {
|
594 |
throw new DynMethodNotSupportedException(code, dynClass.getName()); |
595 |
} |
596 |
MethodInfo info = methods[code]; |
597 |
info.check(dynClass, code); |
598 |
return info.dynMethod;
|
599 |
} |
600 |
|
601 |
public DynMethod getDynMethod(DynObject dynObject, int code) |
602 |
throws DynMethodException {
|
603 |
return getDynMethod(dynObject.getDynClass(), code);
|
604 |
} |
605 |
|
606 |
public void validate(DynObject object) { |
607 |
// TODO
|
608 |
return;
|
609 |
} |
610 |
|
611 |
public Class getDefaultClassOfType(int type) { |
612 |
return ToolsLocator.getDataTypesManager().getDefaultClass(type);
|
613 |
} |
614 |
|
615 |
public Map importDynClassDefinitions(InputStream resource, |
616 |
ClassLoader loader) throws XmlPullParserException, IOException { |
617 |
return new DynClassImportHelper().importDefinitions(resource, loader, |
618 |
null);
|
619 |
} |
620 |
|
621 |
public Map importDynClassDefinitions(XmlPullParser parser, |
622 |
ClassLoader loader, String defaultNamespace) |
623 |
throws XmlPullParserException, IOException { |
624 |
return new DynClassImportHelper().importDefinitions(parser, loader, |
625 |
defaultNamespace); |
626 |
} |
627 |
|
628 |
public Map importDynClassDefinitions(InputStream resource, |
629 |
ClassLoader loader, String defaultNamespace) |
630 |
throws XmlPullParserException, IOException { |
631 |
return new DynClassImportHelper().importDefinitions(resource, loader, |
632 |
defaultNamespace); |
633 |
} |
634 |
|
635 |
public DynObjectPagingHelper createDynObjectPagingHelper(DynObjectSet set)
|
636 |
throws BaseException {
|
637 |
return new DefaultDynObjectPagingHelper(set); |
638 |
} |
639 |
|
640 |
public DynObjectPagingHelper createDynObjectPagingHelper(DynObjectSet set,
|
641 |
int pageSize) throws BaseException { |
642 |
return new DefaultDynObjectPagingHelper(set, pageSize); |
643 |
} |
644 |
|
645 |
public DynClassName createDynClassName(String namespace, String name) { |
646 |
return new DefaultDynClassName(namespace, name); |
647 |
} |
648 |
|
649 |
public DynClassName createDynClassName(String name) { |
650 |
return new DefaultDynClassName(name); |
651 |
} |
652 |
|
653 |
public Iterator iterator(String nameSpace) { |
654 |
return iterator(nameSpace, false); |
655 |
} |
656 |
|
657 |
private Iterator iterator(String nameSpace, boolean exactMatchingRequired) { |
658 |
|
659 |
List list = new ArrayList(); |
660 |
Iterator it = this.classes.iterator(); |
661 |
|
662 |
if (nameSpace == null) { |
663 |
nameSpace = "";
|
664 |
} |
665 |
|
666 |
while( it.hasNext() ) {
|
667 |
|
668 |
Object obj = it.next();
|
669 |
DynStruct dynStruct = (DynStruct) obj; |
670 |
String dynNameSpace = dynStruct.getNamespace();
|
671 |
if ((dynNameSpace == null) || (dynNameSpace.equals(""))) { |
672 |
dynNameSpace = null;
|
673 |
} else {
|
674 |
dynNameSpace = dynNameSpace.toLowerCase(); |
675 |
} |
676 |
nameSpace = nameSpace.toLowerCase(); |
677 |
if (exactMatchingRequired) {
|
678 |
if (nameSpace.equalsIgnoreCase(dynNameSpace)) {
|
679 |
list.add(dynStruct); |
680 |
} |
681 |
} else {
|
682 |
if ((dynNameSpace != null) |
683 |
&& (nameSpace.indexOf(dynNameSpace) > -1)) {
|
684 |
list.add(dynStruct); |
685 |
} |
686 |
} |
687 |
} |
688 |
return list.iterator();
|
689 |
} |
690 |
|
691 |
public Object getAttributeValue(Object obj, String name) { |
692 |
if( "label".equalsIgnoreCase(name) ) { |
693 |
if( obj instanceof DynField_LabelAttribute ) { |
694 |
return ((DynField_LabelAttribute)obj).getLabel();
|
695 |
} |
696 |
} else if( "StructWhenTypeIsDynObject".equalsIgnoreCase(name) ) { |
697 |
if( obj instanceof DynField_v2 ) { |
698 |
return ((DynField_v2)obj).getStructWhenTypeIsDynObject();
|
699 |
} |
700 |
} |
701 |
return null; |
702 |
} |
703 |
|
704 |
public void setAttributeValue(Object obj, String name, Object value) { |
705 |
if( "label".equalsIgnoreCase(name) ) { |
706 |
if( obj instanceof DynField_LabelAttribute ) { |
707 |
((DynField_LabelAttribute)obj).setLabel((String) value);
|
708 |
} |
709 |
} else if( "StructWhenTypeIsDynObject".equalsIgnoreCase(name) ) { |
710 |
if( obj instanceof DynField_v2 ) { |
711 |
((DynField_v2)obj).setStructWhenTypeIsDynObject((DynStruct) value); |
712 |
} |
713 |
} |
714 |
} |
715 |
} |