net.paoding.rose.scanning.LoadScope Maven / Gradle / Ivy
/*
* Copyright 2007-2009 the original author or authors.
*
* Licensed 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 net.paoding.rose.scanning;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.lang.StringUtils;
/**
*
* @author 王志亮 [[email protected]]
*
*/
public class LoadScope {
// controllers->com.yourcompany.yourapp
// applicationContext->com.yourcampany.yourapp
// ...
private Map load = new HashMap();
/**
* 通过一个一个开发者设置的字符串，创建一个LoadScope对象。
* 如果在loadScope中没有指定componetType的，使用defType作为他的componetType.
*
* loadScopeString: componetConf [; componetConf]*
* componetConf: [componetType = ] componetConfValue
* componetType: 'controllers' | 'applicationContext' | 'messages' |
* '*'
* componetConfValue: package [, packages]*
*
* @param loadScopeString
* @param defType
*/
public LoadScope(String loadScopeString, String defType) {
init(loadScopeString, defType);
}
public String[] getScope(String componentType) {
String[] scope = this.load.get(componentType);
if (scope == null) {
scope = this.load.get("*");
}
return scope;
}
private void init(String loadScope, String defType) {
if (StringUtils.isBlank(loadScope) || "*".equals(loadScope)) {
return;
}
loadScope = loadScope.trim();
String[] componetConfs = StringUtils.split(loadScope, ";");
for (String componetConf : componetConfs) {
if (StringUtils.isBlank(loadScope)) {
continue;
}
// 代表"controllers=com.renren.xoa, com.renren.yourapp"串
componetConf = componetConf.trim();
int componetTypeIndex;
String componetType = defType; // 代表"controllers", "applicationContext", "dao", "messages", "*"等串
String componetConfValue = componetConf;
if ((componetTypeIndex = componetConf.indexOf('=')) != -1) {
componetType = componetConf.substring(0, componetTypeIndex).trim();
componetConfValue = componetConf.substring(componetTypeIndex + 1).trim();
}
if (componetType.startsWith("!")) {
componetType = componetType.substring(1);
} else {
componetConfValue = componetConfValue + ", net.paoding.rose";
}
String[] packages = StringUtils.split(componetConfValue, ", \t\n\r\0");//都好和\t之间有一个空格
this.load.put(componetType, packages);
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
for (Entry componetConf : load.entrySet()) {
String componetType = componetConf.getKey();
String componetConfValue[] = componetConf.getValue();
sb.append(componetType).append("=");
for (String value : componetConfValue) {
sb.append(value).append(";");
}
if (componetConfValue.length > 0) {
sb.setLength(sb.length() - 1);
}
}
return super.toString();
}
}