delete two unused files
This commit is contained in:
Gavin
Gavin King
parent
95cede87ed
commit
5246ec508c
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@ -1,190 +0,0 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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package org.hibernate.jpa.internal.util;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.Locale;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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/**
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* A utility class to cover up the rough bits of xml parsing
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*
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* @author <a href="mailto:chris@kimptoc.net">Chris Kimpton</a>
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*/
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public final class XmlHelper {
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private XmlHelper() {
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}
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/**
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* Returns an iterator over the children of the given element with
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* the given tag name.
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*
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* @param element The parent element
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* @param tagName The name of the desired child
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* @return An iterator of children or null if element is null.
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*/
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public static Iterator getChildrenByTagName(
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Element element,
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String tagName) {
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if ( element == null ) {
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return null;
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}
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// getElementsByTagName gives the corresponding elements in the whole
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// descendants. We want only children
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NodeList children = element.getChildNodes();
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ArrayList goodChildren = new ArrayList();
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for ( int i = 0; i < children.getLength() ; i++ ) {
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Node currentChild = children.item( i );
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if ( currentChild.getNodeType() == Node.ELEMENT_NODE &&
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( (Element) currentChild ).getTagName().equals( tagName ) ) {
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goodChildren.add( currentChild );
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}
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}
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return goodChildren.iterator();
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}
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/**
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* Gets the child of the specified element having the specified unique
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* name. If there are more than one children elements with the same name
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* and exception is thrown.
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*
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* @param element The parent element
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* @param tagName The name of the desired child
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* @return The named child.
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* @throws Exception Child was not found or was not unique.
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*/
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public static Element getUniqueChild(Element element, String tagName) throws Exception {
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final Iterator goodChildren = getChildrenByTagName( element, tagName );
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if ( goodChildren != null && goodChildren.hasNext() ) {
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final Element child = (Element) goodChildren.next();
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if ( goodChildren.hasNext() ) {
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throw new Exception( "expected only one " + tagName + " tag" );
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}
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return child;
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}
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else {
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throw new Exception( "expected one " + tagName + " tag" );
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}
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}
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/**
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* Gets the child of the specified element having the
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* specified name. If the child with this name doesn't exist
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* then null is returned instead.
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*
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* @param element the parent element
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* @param tagName the name of the desired child
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* @return either the named child or null
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*/
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public static Element getOptionalChild(Element element, String tagName) throws Exception {
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return getOptionalChild( element, tagName, null );
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}
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/**
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* Gets the child of the specified element having the
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* specified name. If the child with this name doesn't exist
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* then the supplied default element is returned instead.
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*
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* @param element the parent element
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* @param tagName the name of the desired child
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* @param defaultElement the element to return if the child
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* doesn't exist
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* @return either the named child or the supplied default
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*/
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public static Element getOptionalChild(
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Element element,
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String tagName,
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Element defaultElement) throws Exception {
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final Iterator goodChildren = getChildrenByTagName( element, tagName );
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if ( goodChildren != null && goodChildren.hasNext() ) {
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final Element child = (Element) goodChildren.next();
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if ( goodChildren.hasNext() ) {
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throw new Exception( "expected only one " + tagName + " tag" );
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}
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return child;
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}
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else {
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return defaultElement;
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}
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}
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/**
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* Get the content of the given element.
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*
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* @param element The element to get the content for.
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* @return The content of the element or null.
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*/
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public static String getElementContent(final Element element) throws Exception {
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return getElementContent( element, null );
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}
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/**
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* Get the content of the given element.
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*
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* @param element The element to get the content for.
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* @param defaultStr The default to return when there is no content.
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* @return The content of the element or the default.
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*/
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public static String getElementContent(Element element, String defaultStr) throws Exception {
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if ( element == null ) {
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return defaultStr;
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}
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final NodeList children = element.getChildNodes();
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final StringBuilder result = new StringBuilder();
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for ( int i = 0; i < children.getLength() ; i++ ) {
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if ( children.item( i ).getNodeType() == Node.TEXT_NODE
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|| children.item( i ).getNodeType() == Node.CDATA_SECTION_NODE ) {
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result.append( children.item( i ).getNodeValue() );
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}
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// else if ( children.item( i ).getNodeType() == Node.COMMENT_NODE ) {
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// // Ignore comment nodes
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// }
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}
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return result.toString().trim();
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}
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/**
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* Macro to get the content of a unique child element.
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*
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* @param element The parent element.
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* @param tagName The name of the desired child.
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* @return The element content or null.
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*/
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public static String getUniqueChildContent(Element element, String tagName) throws Exception {
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return getElementContent( getUniqueChild( element, tagName ) );
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}
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/**
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* Macro to get the content of an optional child element.
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*
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* @param element The parent element.
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* @param tagName The name of the desired child.
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* @return The element content or null.
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*/
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public static String getOptionalChildContent(Element element, String tagName) throws Exception {
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return getElementContent( getOptionalChild( element, tagName ) );
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}
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public static boolean getOptionalChildBooleanContent(Element element, String name) throws Exception {
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Element child = getOptionalChild( element, name );
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if ( child != null ) {
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String value = getElementContent( child ).toLowerCase(Locale.ROOT);
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return value.equals( "true" ) || value.equals( "yes" );
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}
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return false;
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}
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}
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@ -1,17 +0,0 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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package org.hibernate.sql;
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/**
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* TODO : javadoc
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*
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* @author Steve Ebersole
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*/
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public interface AliasGenerator {
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String generateAlias(String sqlExpression);
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}
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