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| package org.dom4j.rule; |
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| import java.util.HashMap; |
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| import java.util.Map; |
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| import org.dom4j.Attribute; |
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| import org.dom4j.Document; |
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| import org.dom4j.Element; |
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| import org.dom4j.Node; |
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| public class Mode { |
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| |
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| private RuleSet[] ruleSets = new RuleSet[ Pattern.NUMBER_OF_TYPES ]; |
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| private Map elementNameRuleSets; |
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| private Map attributeNameRuleSets; |
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| public Mode() {
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| } |
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| public void fireRule( Node node ) throws Exception {
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| if ( node != null ) {
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| Rule rule = getMatchingRule( node );
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| if ( rule != null ) {
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| Action action = rule.getAction();
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| if ( action != null ) {
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| action.run( node );
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| } |
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| } |
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| } |
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| } |
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| public void applyTemplates( Element element ) throws Exception {
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| for ( int i = 0, size = element.attributeCount(); i < size; i++ ) {
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| Attribute attribute = element.attribute(i);
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| fireRule( attribute );
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| } |
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| for ( int i = 0, size = element.nodeCount(); i < size; i++ ) {
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| Node node = element.node(i);
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| fireRule( node );
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| } |
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| } |
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| public void applyTemplates( Document document ) throws Exception {
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| for ( int i = 0, size = document.nodeCount(); i < size; i++ ) {
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| Node node = document.node(i);
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| fireRule( node );
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| } |
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| } |
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| public void addRule(Rule rule) {
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| int matchType = rule.getMatchType();
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| String name = rule.getMatchesNodeName();
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| if ( name != null ) {
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| if ( matchType == Node.ELEMENT_NODE ) {
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| elementNameRuleSets = addToNameMap(
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| elementNameRuleSets, name, rule |
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| ); |
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| } |
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| else if ( matchType == Node.ATTRIBUTE_NODE ) {
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| attributeNameRuleSets = addToNameMap(
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| attributeNameRuleSets, name, rule |
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| ); |
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| } |
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| } |
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| if ( matchType >= Pattern.NUMBER_OF_TYPES ) {
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| matchType = Pattern.ANY_NODE;
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| } |
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| if ( matchType == Pattern.ANY_NODE ) {
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| for ( int i = 1, size = ruleSets.length; i < size; i++ ) {
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| RuleSet ruleSet = ruleSets[i];
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| if ( ruleSet != null ) {
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| ruleSet.addRule( rule );
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| } |
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| } |
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| } |
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| getRuleSet( matchType ).addRule( rule );
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| } |
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| public void removeRule(Rule rule) {
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| int matchType = rule.getMatchType();
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| String name = rule.getMatchesNodeName();
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| if ( name != null ) {
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| if ( matchType == Node.ELEMENT_NODE ) {
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| removeFromNameMap( elementNameRuleSets, name, rule );
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| } |
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| else if ( matchType == Node.ATTRIBUTE_NODE ) {
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| removeFromNameMap( attributeNameRuleSets, name, rule );
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| } |
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| } |
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| if ( matchType >= Pattern.NUMBER_OF_TYPES ) {
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| matchType = Pattern.ANY_NODE;
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| } |
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| getRuleSet( matchType ).removeRule( rule );
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| if ( matchType != Pattern.ANY_NODE ) {
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| getRuleSet( Pattern.ANY_NODE ).removeRule( rule );
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| } |
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| } |
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| public Rule getMatchingRule(Node node) {
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| int matchType = node.getNodeType();
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| if ( matchType == Node.ELEMENT_NODE ) {
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| if ( elementNameRuleSets != null ) {
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| String name = node.getName();
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| RuleSet ruleSet = (RuleSet) elementNameRuleSets.get( name );
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| if ( ruleSet != null ) {
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| Rule answer = ruleSet.getMatchingRule( node );
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| if ( answer != null ) {
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| return answer;
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| } |
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| } |
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| } |
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| } |
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| else if ( matchType == Node.ATTRIBUTE_NODE ) {
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| if ( attributeNameRuleSets != null ) {
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| String name = node.getName();
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| RuleSet ruleSet = (RuleSet) attributeNameRuleSets.get( name );
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| if ( ruleSet != null ) {
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| Rule answer = ruleSet.getMatchingRule( node );
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| if ( answer != null ) {
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| return answer;
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| } |
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| } |
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| } |
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| } |
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| if ( matchType < 0 || matchType >= ruleSets.length ) {
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| matchType = Pattern.ANY_NODE;
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| } |
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| Rule answer = null;
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| RuleSet ruleSet = ruleSets[ matchType ];
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| if ( ruleSet != null ) {
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| answer = ruleSet.getMatchingRule( node );
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| } |
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| if ( answer == null && matchType != Pattern.ANY_NODE ) {
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| ruleSet = ruleSets[ Pattern.ANY_NODE ];
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| if ( ruleSet != null ) {
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| answer = ruleSet.getMatchingRule( node );
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| } |
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| } |
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| return answer;
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| } |
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| protected RuleSet getRuleSet( int matchType ) {
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| RuleSet ruleSet = ruleSets[ matchType ];
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| if ( ruleSet == null ) {
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| ruleSet = new RuleSet();
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| ruleSets[ matchType ] = ruleSet;
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| if ( matchType != Pattern.ANY_NODE ) {
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| RuleSet allRules = ruleSets[ Pattern.ANY_NODE ];
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| if ( allRules != null ) {
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| ruleSet.addAll( allRules );
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| } |
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| } |
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| } |
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| return ruleSet;
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| } |
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| protected Map addToNameMap( Map map, String name, Rule rule ) {
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| if ( map == null ) {
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| map = new HashMap();
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| } |
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| RuleSet ruleSet = (RuleSet) map.get( name );
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| if ( ruleSet == null ) {
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| ruleSet = new RuleSet();
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| map.put( name, ruleSet );
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| } |
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| ruleSet.addRule( rule );
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| return map;
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| } |
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| protected void removeFromNameMap( Map map, String name, Rule rule ) {
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| if ( map != null ) {
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| RuleSet ruleSet = (RuleSet) map.get( name );
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| if ( ruleSet != null ) {
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| ruleSet.removeRule( rule );
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| } |
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| } |
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| } |
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| } |
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