| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * 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, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| 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; |
| |
| /** |
| * <p> 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<ActionConfig> implements Serializable { |
| |
| /** |
| * <p> 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. </p> |
| * |
| * <p>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.</p> |
| * |
| * @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<String, ActionConfig> configs, |
| boolean looseMatch) { |
| this(patternMatcher, configs, looseMatch, true); |
| } |
| |
| /** |
| * <p> 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. </p> |
| * |
| * <p>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.</p> |
| * |
| * @param patternMatcher pattern matcher |
| * @param configs An array of ActionConfig's to process |
| * @param looseMatch To loosely match wildcards or not |
| * @param appendNamedParameters To append named parameters or not |
| * |
| * @since 2.5.23 |
| * See WW-5065 |
| */ |
| public ActionConfigMatcher(PatternMatcher<?> patternMatcher, |
| Map<String, ActionConfig> configs, |
| boolean looseMatch, boolean appendNamedParameters) { |
| super(patternMatcher, appendNamedParameters); |
| for (Map.Entry<String, ActionConfig> entry : configs.entrySet()) { |
| addPattern(entry.getKey(), entry.getValue(), looseMatch); |
| } |
| } |
| |
| /** |
| * <p> Clones the ActionConfig and its children, replacing various |
| * properties with the values of the wildcard-matched strings. </p> |
| * |
| * @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<String, String> 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<String,String> params = replaceParameters(orig.getParams(), vars); |
| |
| Map<String, ResultConfig> 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<ExceptionMappingConfig> exs = new ArrayList<ExceptionMappingConfig>(); |
| for (ExceptionMappingConfig ex : orig.getExceptionMappings()) { |
| String name = convertParam(ex.getName(), vars); |
| String exClassName = convertParam(ex.getExceptionClassName(), vars); |
| String exResult = convertParam(ex.getResult(), vars); |
| Map<String,String> 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(); |
| } |
| } |