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/*-
* ============LICENSE_START=======================================================
* APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2017 Amdocs
* ================================================================================
* 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=========================================================
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.openecomp.appc.adapter.netconf.internal;
import java.io.ByteArrayOutputStream;
class NetconfMessage {
private static final String EOM = "]]>]]>";
private String text;
private MessageBuffer buffer = new MessageBuffer();
private int eomNotch;
NetconfMessage() {
}
NetconfMessage(String text) {
if(text == null) {
throw new NullPointerException("Netconf message payload is null");
}
append(text.getBytes(), 0, text.length());
if(this.text == null) {
this.text = text;
}
}
void append(byte[] bytes, int start, int end) {
boolean eomFound = false;
for(int i = start; i < end; i++) {
if(bytes[i] == EOM.charAt(eomNotch)) {
// advance notch
eomNotch++;
} else {
// reset notch
eomNotch = 0;
}
if(eomNotch == EOM.length()) {
// end of message found
eomFound = true;
end = i + 1;
break;
}
}
buffer.write(bytes, start, end);
if(eomFound) {
text = new String(buffer.getBytes(), 0, buffer.size() - EOM.length());
buffer.reset();
}
}
String getText() {
return text;
}
boolean isCompleted() {
return (text != null);
}
byte[] getFrame() {
StringBuilder sb = new StringBuilder();
if(text != null) {
sb.append(text).append("\n");
}
sb.append(EOM);
return sb.toString().getBytes();
}
private class MessageBuffer extends ByteArrayOutputStream {
byte[] getBytes() {
return buf;
}
}
}
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