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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.facade;
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import java.net.URL;
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import java.util.Iterator;
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import org.jbind.xml.code.IConfiguration;
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import org.jbind.xml.code.IConfigurationCode;
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import org.jbind.xml.code.ISetupAndTearDown;
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import org.jbind.xml.core.data.IAnyTypeData;
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import org.jbind.xml.core.data.IDataContext;
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import org.jbind.xml.instance.data.DataVisitor;
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import org.jbind.xml.msg.XmlException;
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import org.jbind.xml.msg.XmlMessages;
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import org.xml.sax.InputSource;
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public class ConfigurationCode extends XmlCode implements IConfigurationCode {
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/**
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* Creates a configurer.
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*
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* @param aUrl <i>(required)</i>.
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* @param aNbSetupAndTearDownLevel Used for leveled setup and tear down of the
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* configuration.
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* @param aDataContext <i>(optional)</i>.
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*/
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public ConfigurationCode(URL aUrl, IDataContext aDataContext) {
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super(aUrl, aDataContext);
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}
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public ConfigurationCode(InputSource anInputSource, IDataContext aDataContext) {
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super(anInputSource, aDataContext);
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}
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public IConfiguration getConfiguration() throws XmlException {
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IAnyTypeData code = getCode();
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if (!(code instanceof IConfiguration)) {
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throw new XmlException(XmlMessages.notAConfigurationInstance(getUrl(), code.getClass().getName(), IConfiguration.class.getName(), null));
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}
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return (IConfiguration)code;
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}
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public void setup() throws XmlException {
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IConfiguration c = getConfiguration();
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int nbLevels = c.getNbSetupAndTearDownLevels();
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if (nbLevels > 0) {
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SetupVisitor visitor = new SetupVisitor();
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for (int level = 0; level < nbLevels; level++) {
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visitor.setLevel(level);
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c.accept_(visitor);
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}
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}
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}
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public void tearDown() throws XmlException {
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IConfiguration c = getConfiguration();
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int nbLevels = c.getNbSetupAndTearDownLevels();
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if (nbLevels > 0) {
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TearDownVisitor visitor = new TearDownVisitor();
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for (int level = nbLevels; --level >= 0; ) {
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visitor.setLevel(level);
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c.accept_(visitor);
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}
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}
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}
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/**
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* Sets up children before there ancestors.
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*/
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protected static class SetupVisitor extends DataVisitor {
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private int myLevel = 0;
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public void setLevel(int aLevel) {
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myLevel = aLevel;
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}
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public void visitAnyTypeDataStarts(IAnyTypeData aData) {}
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public void visitAnyTypeDataEnds(IAnyTypeData aData) {
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for (Iterator i = aData.iterAttributes_(null, null); i.hasNext(); ) {
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IAnyTypeData d = (IAnyTypeData)i.next();
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if (d instanceof ISetupAndTearDown) {
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((ISetupAndTearDown)d).setup(myLevel);
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}
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}
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if (aData instanceof ISetupAndTearDown) {
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((ISetupAndTearDown)aData).setup(myLevel);
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}
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}
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}
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/**
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* Tears down ancestors before their children.
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*/
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protected static class TearDownVisitor extends DataVisitor {
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private int myLevel = 0;
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public void setLevel(int aLevel) {
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myLevel = aLevel;
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}
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public void visitAnyTypeDataStarts(IAnyTypeData aData) {
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if (aData instanceof ISetupAndTearDown) {
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((ISetupAndTearDown)aData).tearDown(myLevel);
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}
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for (Iterator i = aData.iterAttributes_(null, null); i.hasNext(); ) {
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IAnyTypeData d = (IAnyTypeData)i.next();
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if (d instanceof ISetupAndTearDown) {
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((ISetupAndTearDown)d).tearDown(myLevel);
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}
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}
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}
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public void visitAnyTypeDataEnds(IAnyTypeData aData) {}
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}
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}
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