com.google.gwt.text.shared.SimpleSafeHtmlRenderer.java Source code

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Here is the source code for com.google.gwt.text.shared.SimpleSafeHtmlRenderer.java

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/*
 * Copyright 2010 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.google.gwt.text.shared;

import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;

/**
 * A simple {@link SafeHtmlRenderer} implementation that calls
 * {@link SafeHtmlUtils#fromString(String)} to escape its arguments.
 */
public class SimpleSafeHtmlRenderer implements SafeHtmlRenderer<String> {

    private static SimpleSafeHtmlRenderer instance;

    public static SimpleSafeHtmlRenderer getInstance() {
        if (instance == null) {
            instance = new SimpleSafeHtmlRenderer();
        }
        return instance;
    }

    private SimpleSafeHtmlRenderer() {
    }

    public SafeHtml render(String object) {
        return (object == null) ? SafeHtmlUtils.EMPTY_SAFE_HTML : SafeHtmlUtils.fromString(object);
    }

    public void render(String object, SafeHtmlBuilder appendable) {
        appendable.append(SafeHtmlUtils.fromString(object));
    }
}