scouter.lang.step.Step Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* 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 scouter.lang.step;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import scouter.io.DataInputX;
import scouter.io.DataOutputX;
abstract public class Step implements Comparable {
public int compareTo(Step o) {
return this.getOrder() - o.getOrder();
}
abstract public int getOrder();
abstract public byte getStepType();
abstract public void write(DataOutputX out) throws IOException;
abstract public Step read(DataInputX in) throws IOException;
public static byte[] toBytes(Step[] p) {
if (p == null)
return null;
try {
DataOutputX dout = new DataOutputX(p.length * 30);
for (int i = 0; i < p.length; i++) {
dout.writeStep(p[i]);
}
return dout.toByteArray();
} catch (IOException e) {
}
return null;
}
public static byte[] toBytes(List p) {
if (p == null)
return null;
try {
int size = p.size();
DataOutputX dout = new DataOutputX(size * 30);
for (int i = 0; i < size; i++) {
dout.writeStep(p.get(i));
}
return dout.toByteArray();
} catch (IOException e) {
}
return null;
}
public static Step[] toObjects(byte[] buff) throws IOException {
if (buff == null)
return null;
ArrayList arr = new ArrayList();
DataInputX din = new DataInputX(buff);
while (din.available() > 0) {
arr.add(din.readStep());
}
return (Step[]) arr.toArray(new Step[arr.size()]);
}
}