ListMatcher.java example

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/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 *  All rights reserved.
 *
 *  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.
 *
 *  See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 *  explanation of the license and how it is applied.
 */
package org.mifos.accounts.loan.business.matchers;

import java.util.List;

import org.hamcrest.Description;
import org.hamcrest.TypeSafeMatcher;

public class ListMatcher<T> extends TypeSafeMatcher<List<T>> {
    private List<T> obj;

    public ListMatcher(List<T> obj) {
        this.obj = obj;
    }

    @Override
    public boolean matchesSafely(List<T> ts) {
        if(ts.size()!=obj.size()) return false;
        for (T t : ts) {
            if(!obj.contains(t))
                return false;
        }
        return true;
    }

    @Override
    public void describeTo(Description description) {
        description.appendText("the list did not match");
    }
}