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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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| 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(elementNameRuleSets, name,
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| rule); |
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| } else if (matchType == Node.ATTRIBUTE_NODE) {
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| attributeNameRuleSets = addToNameMap(attributeNameRuleSets,
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| 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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| 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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| } 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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| } 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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