com.google.dart.ui.test.matchers.HasTextWidgetMatcher.java Source code

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Here is the source code for com.google.dart.ui.test.matchers.HasTextWidgetMatcher.java

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/*
 * Copyright (c) 2013, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 * 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 com.google.dart.ui.test.matchers;

import com.google.dart.ui.test.util.UiContext;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.swt.widgets.Widget;

class HasTextWidgetMatcher implements WidgetMatcher {
    /**
     * Normalizes given {@link String} by removing special characters.
     */
    private static String normalizeWidgetText(String s) {
        s = s.trim();
        s = StringUtils.remove(s, '&');
        s = StringUtils.substringBefore(s, "\t");
        return s;
    }

    private final String textOrPattern;

    public HasTextWidgetMatcher(String textOrPattern) {
        this.textOrPattern = textOrPattern;
    }

    @Override
    public boolean matches(Widget widget) {
        String text = UiContext.getText(widget);
        if (text == null) {
            return false;
        }
        text = normalizeWidgetText(text);
        if (text.equals(textOrPattern)) {
            return true;
        }
        return text.matches(textOrPattern);
    }
}