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/*
 * Copyright 2007 Google Inc.
 *
 * 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 com.sencha.gwt.uibinder.elementparsers;

import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.sencha.gwt.uibinder.rebind.UiBinderWriter;
import com.sencha.gwt.uibinder.rebind.XMLElement;

/**
 * Parses widgets that implement {@link com.google.gwt.user.client.ui.HasText}.
 */
public class HasTextParser implements ElementParser {

  public void parse(XMLElement elem, String fieldName, JClassType type,
      UiBinderWriter writer) throws UnableToCompleteException {
    // Widgets that implement HasText will use their elements' inner text.
    String text = elem.consumeInnerTextEscapedAsHtmlStringLiteral(new TextInterpreter(writer));
    if (text.trim().length() > 0) {
      writer.genStringPropertySet(fieldName, "text", text);
    }
  }
}