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/*-
* ============LICENSE_START=======================================================
* openECOMP : APP-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.executor.impl;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.HashMap;
class CommonMethods {
private static final HashMap m = new HashMap();
static {
m.put(34, """); // < - less-than
m.put(60, "<"); // < - less-than
m.put(62, ">"); // > - greater-than
m.put(38, "&"); // & - Ampersand
}
static String escapeHtml(String source) {
try {
StringWriter writer = new StringWriter((int) (source.length() * 1.5));
escape(writer, source);
return writer.toString();
} catch (IOException ioe) {
ioe.printStackTrace();
return null;
}
}
private static void escape(Writer writer, String str) throws IOException {
int len = str.length();
for (int i = 0; i < len; i++) {
char c = str.charAt(i);
int ascii = (int) c;
String entityName = (String) m.get(ascii);
if (entityName == null) {
if (c > 0x7F) {
writer.write("&#");
writer.write(Integer.toString(c, 10));
writer.write(';');
} else {
writer.write(c);
}
} else {
writer.write(entityName);
}
}
}
}
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