com.opensymphony.xwork2.config.impl.ActionConfigMatcher Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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*/
package com.opensymphony.xwork2.config.impl;
import com.opensymphony.xwork2.config.entities.ActionConfig;
import com.opensymphony.xwork2.config.entities.ExceptionMappingConfig;
import com.opensymphony.xwork2.config.entities.ResultConfig;
import com.opensymphony.xwork2.util.PatternMatcher;
import org.apache.commons.lang3.StringUtils;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* Matches paths against pre-compiled wildcard expressions pulled from
* action configs. It uses the wildcard matcher from the Apache Cocoon
* project. Patterns will be matched in the order they exist in the
* config file. The first match wins, so more specific patterns should be
* defined before less specific patterns.
*/
public class ActionConfigMatcher extends AbstractMatcher implements Serializable {
/**
* Finds and precompiles the wildcard patterns from the ActionConfig
* "path" attributes. ActionConfig's will be evaluated in the order they
* exist in the config file. Only paths that actually contain a
* wildcard will be compiled.
*
* Patterns can optionally be matched "loosely". When
* the end of the pattern matches \*[^*]\*$ (wildcard, no wildcard,
* wildcard), if the pattern fails, it is also matched as if the
* last two characters didn't exist. The goal is to support the
* legacy "*!*" syntax, where the "!*" is optional.
*
* @param patternMatcher pattern matcher
* @param configs An array of ActionConfig's to process
* @param looseMatch To loosely match wildcards or not
*/
public ActionConfigMatcher(PatternMatcher patternMatcher,
Map configs,
boolean looseMatch) {
super(patternMatcher);
for (Map.Entry entry : configs.entrySet()) {
addPattern(entry.getKey(), entry.getValue(), looseMatch);
}
}
/**
* Clones the ActionConfig and its children, replacing various
* properties with the values of the wildcard-matched strings.
*
* @param path The requested path
* @param orig The original ActionConfig
* @param vars A Map of wildcard-matched strings
* @return A cloned ActionConfig with appropriate properties replaced with
* wildcard-matched values
*/
@Override public ActionConfig convert(String path, ActionConfig orig,
Map vars) {
String methodName = convertParam(orig.getMethodName(), vars);
if (StringUtils.isEmpty(methodName)) {
methodName = ActionConfig.DEFAULT_METHOD;
}
if (!orig.isAllowedMethod(methodName)) {
return null;
}
String className = convertParam(orig.getClassName(), vars);
String pkgName = convertParam(orig.getPackageName(), vars);
Map params = replaceParameters(orig.getParams(), vars);
Map results = new LinkedHashMap<>();
for (String name : orig.getResults().keySet()) {
ResultConfig result = orig.getResults().get(name);
name = convertParam(name, vars);
ResultConfig r = new ResultConfig.Builder(name, convertParam(result.getClassName(), vars))
.addParams(replaceParameters(result.getParams(), vars))
.build();
results.put(name, r);
}
List exs = new ArrayList();
for (ExceptionMappingConfig ex : orig.getExceptionMappings()) {
String name = convertParam(ex.getName(), vars);
String exClassName = convertParam(ex.getExceptionClassName(), vars);
String exResult = convertParam(ex.getResult(), vars);
Map exParams = replaceParameters(ex.getParams(), vars);
ExceptionMappingConfig e = new ExceptionMappingConfig.Builder(name, exClassName, exResult).addParams(exParams).build();
exs.add(e);
}
return new ActionConfig.Builder(pkgName, orig.getName(), className)
.methodName(methodName)
.addParams(params)
.addResultConfigs(results)
.setStrictMethodInvocation(orig.isStrictMethodInvocation())
.addAllowedMethod(orig.getAllowedMethods())
.addInterceptors(orig.getInterceptors())
.addExceptionMappings(exs)
.location(orig.getLocation())
.build();
}
}