001/*
002 * ModeShape (http://www.modeshape.org)
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *       http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.modeshape.common.text;
017
018import org.hamcrest.Description;
019import org.hamcrest.Matcher;
020import org.hamcrest.TypeSafeMatcher;
021
022/**
023 * @author Randall Hauch
024 */
025public class StringMatcher extends TypeSafeMatcher<String> {
026
027    protected final String substring;
028
029    protected StringMatcher( final String substring ) {
030        this.substring = substring;
031    }
032
033    @Override
034    public boolean matchesSafely( String item ) {
035        return item.startsWith(item);
036    }
037
038    @Override
039    public void describeTo( Description description ) {
040        description.appendText("a string starts with ").appendValue(substring);
041    }
042
043    public static Matcher<String> startsWith( String prefix ) {
044        return new StringMatcher(prefix);
045    }
046
047}