com.sun.enterprise.admin.remote.sse.GfSseInboundEvent Maven / Gradle / Ivy
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package com.sun.enterprise.admin.remote.sse;
import com.sun.enterprise.admin.remote.reader.ProprietaryReader;
import com.sun.enterprise.admin.remote.reader.ProprietaryReaderFactory;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* Incoming SSE event.
*/
public class GfSseInboundEvent {
private String name = null;
private String id = null;
private ByteArrayOutputStream data = null;
GfSseInboundEvent() {
}
void setName(String name) {
this.name = name;
}
void setId(String id) {
this.id = id;
}
void addData(byte[] data) {
if(this.data == null) {
this.data = new ByteArrayOutputStream();
}
try {
this.data.write(data);
} catch (IOException e) {
this.data = null;
}
}
boolean isEmpty() {
return data == null;
}
/**
* Get the event name.
*
* @return event name or {@code null} if it is not present.
*/
public String getName() {
return name;
}
/**
* Get event data.
*
* @param messageType type of stored data content.
* @throws IOException when provided type can't be read.
*/
public T getData(final Class messageType, final String contentType) throws IOException {
final ProprietaryReader reader = ProprietaryReaderFactory.getReader(messageType, contentType);
if (reader != null) {
return reader.readFrom(new ByteArrayInputStream(stripLastLineBreak(data.toByteArray())), contentType);
} else {
//TODO: Throw IOException here
return null;
}
}
/**
* Get event data as {@link String}.
*
* @return event data de-serialized as string.
* @throws IOException when provided type can't be read.
*/
public String getData() throws IOException {
return getData(String.class, "text/plain");
}
@Override
public String toString() {
String s;
try {
s = getData();
} catch (IOException e) {
s = "";
}
return "InboundEvent{" +
"name='" + name + '\'' +
", id='" + id + '\'' +
", data=" + s +
'}';
}
/**
* String last line break from data. (Last line-break should not be considered as part of received data).
*
* @param data data
* @return updated byte array.
*/
private byte[] stripLastLineBreak(byte[] data) {
if((data.length >= 1) && (data[data.length - 1] == '\n')) {
byte[] newArray = new byte[data.length - 1];
System.arraycopy(data, 0, newArray, 0, data.length - 1);
data = newArray;
}
return data;
}
}