AdapterClassIdentifyer.java

package jdepend.knowledge.pattern.impl1;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;

import jdepend.knowledge.pattern.PatternInfo;
import jdepend.metadata.InvokeItem;
import jdepend.metadata.JavaClass;
import jdepend.metadata.Method;
import jdepend.model.JavaClassUnit;

public final class AdapterClassIdentifyer extends AbstractPatternIdentifyer {

	@Override
	public Collection<PatternInfo> identify(Collection<JavaClassUnit> javaClasses) {
		Collection<PatternInfo> rtn = new ArrayList<PatternInfo>();
		Collection<JavaClass> interfaces;
		Collection<JavaClass> supers;
		JavaClass theInterfaceClass;
		JavaClass theSuperClass;

		for (JavaClassUnit javaClass : javaClasses) {
			// 收集接口和抽象类
			interfaces = new HashSet<JavaClass>();
			supers = new HashSet<JavaClass>();
			for (JavaClass superClass : javaClass.getJavaClass().getSupers()) {
				if (superClass.isInterface()) {
					interfaces.add(superClass);
				} else {
					supers.add(superClass);
				}
			}

			if (interfaces.size() > 0 && supers.size() > 0) {
				for (Method method : javaClass.getJavaClass().getOverrideMethods()) {
					for (Method overrideMethod : javaClass.getJavaClass().getOverridedMethods(method)) {
						theInterfaceClass = overrideMethod.getJavaClass();
						if (interfaces.contains(theInterfaceClass)) {
							for (InvokeItem item : method.getInvokeItems()) {
								theSuperClass = item.getCallee().getJavaClass();
								if (supers.contains(theSuperClass)) {
									if (!theSuperClass.getSupers().contains(theInterfaceClass)) {
										rtn.add(new PatternInfo(javaClass.getJavaClass(), javaClass.getName() + "."
												+ method.getName()));
									}
								}
							}
						}
					}
				}
			}

		}
		return rtn;
	}

	@Override
	public String getExplain() {
		StringBuilder explain = new StringBuilder();
		explain.append("    <strong>适配器Class模式</strong><br>");
		explain.append("    1、存在父类，并实现了接口；2、在实现的接口方法中调用了继承的父类方法；3、父类与接口没有实现关系<br><br>");
		return explain.toString();
	}

}