de.micromata.genome.util.matcher.cls.ContainsMethod.java Source code

Introduction

Here is the source code for de.micromata.genome.util.matcher.cls.ContainsMethod.java

Source

//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.genome.util.matcher.cls;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

import org.apache.commons.lang3.StringUtils;

import de.micromata.genome.util.matcher.MatcherBase;

/**
 * Class Matcher looking for Methods.
 *
 * @author roger@micromata.de
 */
public class ContainsMethod extends MatcherBase<Class<?>> {

    /**
     * The Constant serialVersionUID.
     */
    private static final long serialVersionUID = -1710941778093509319L;

    /**
     * May be null if return type is not relevant.
     */
    private Class<?> returnType;

    /**
     * May be null if return type is not relevant.
     */
    private Class<?>[] params;

    /**
     * May be null if return type is not relevant.
     */
    private String name;

    /**
     * If true only look at declared class.
     */
    private boolean declared = false;

    /**
     * true if static method, otherwise only dynamic methods.
     */
    private boolean staticMethod = false;

    /**
     * The public method.
     */
    private boolean publicMethod = true;

    /**
     * Instantiates a new contains method.
     *
     * @param returnType the return type
     * @param params the params
     * @param name the name
     * @param declared the declared
     * @param staticMethod the static method
     * @param publicMethod the public method
     */
    public ContainsMethod(Class<?> returnType, Class<?>[] params, String name, boolean declared,
            boolean staticMethod, boolean publicMethod) {
        super();
        this.returnType = returnType;
        this.params = params;
        this.name = name;
        this.declared = declared;
        this.staticMethod = staticMethod;
        this.publicMethod = publicMethod;
    }

    @Override
    public boolean match(Class<?> cls) {
        if (matchThisClass(cls) == true) {
            return true;
        }
        if (declared == false || cls.getSuperclass() == null) {
            return false;
        }
        return match(cls.getSuperclass());
    }

    /**
     * Match this class.
     *
     * @param cls the cls
     * @return true, if successful
     */
    public boolean matchThisClass(Class<?> cls) {
        for (Method m : cls.getMethods()) {
            int mods = m.getModifiers();
            if (staticMethod == true && (mods & Modifier.STATIC) != Modifier.STATIC) {
                continue;
            }
            if (staticMethod == false && (mods & Modifier.STATIC) == Modifier.STATIC) {
                continue;
            }
            if (publicMethod == true && (mods & Modifier.PUBLIC) != Modifier.PUBLIC) {
                continue;
            }

            if (name != null) {
                if (StringUtils.equals(m.getName(), name) == false) {
                    continue;
                }
            }
            if (returnType != null) {
                if (m.getReturnType() != returnType) {
                    continue;
                }
            }
            if (params != null) {
                Class<?>[] pt = m.getParameterTypes();
                if (pt.length != params.length) {
                    continue;
                }
                for (int i = 0; i < pt.length; ++i) {
                    if (pt[i] != params[i]) {
                        continue;
                    }
                }
            }
            return true;
        }
        return false;
    }

    public Class<?> getReturnType() {
        return returnType;
    }

    public void setReturnType(Class<?> returnType) {
        this.returnType = returnType;
    }

    public Class<?>[] getParams() {
        return params;
    }

    public void setParams(Class<?>[] params) {
        this.params = params;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public boolean isDeclared() {
        return declared;
    }

    public void setDeclared(boolean declared) {
        this.declared = declared;
    }

    public boolean isStaticMethod() {
        return staticMethod;
    }

    public void setStaticMethod(boolean staticMethod) {
        this.staticMethod = staticMethod;
    }
}