org.simplejavamail.internal.clisupport.therapijavadoc.SimpleHTMLEscapeUtil Maven / Gradle / Ivy

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Simple API, Complex Emails. Now with CLI support

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/*
 * Copyright © 2009 Benny Bottema ([email protected])
 *
 * 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 org.simplejavamail.internal.clisupport.therapijavadoc;

import java.util.HashMap;
import java.util.Map;

public class SimpleHTMLEscapeUtil {
	private static final Map ESCAPE_MAP = new HashMap() {{
		put('"', """);
		put('&', "&");
		put('<', "<");
		put('>', ">");
	}};

	public static String escapeHTML(String htmlStr) {
		final StringBuilder escaped = new StringBuilder();
		for (final Character c : htmlStr.toCharArray()) {
			escaped.append(ESCAPE_MAP.getOrDefault(c, c.toString()));
		}
		return escaped.toString();
	}
}