org.glassfish.grizzly.http.Protocol Maven / Gradle / Ivy
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package org.glassfish.grizzly.http;
import java.io.UnsupportedEncodingException;
import org.glassfish.grizzly.http.util.DataChunk;
/**
* Predefined HTTP protocol versions
*
* @author Alexey Stashok
*/
public enum Protocol {
HTTP_0_9 (0, 9),
HTTP_1_0 (1, 0),
HTTP_1_1 (1, 1);
public static Protocol parseDataChunk(final DataChunk protocolC) {
if (protocolC.isNull() || protocolC.getLength() == 0
|| protocolC.equals(Protocol.HTTP_0_9.getProtocolString())) {
return Protocol.HTTP_0_9;
} else if (protocolC.equals(Protocol.HTTP_1_1.getProtocolString())) {
return Protocol.HTTP_1_1;
} else if (protocolC.equals(Protocol.HTTP_1_0.getProtocolString())) {
return Protocol.HTTP_1_0;
} else {
throw new IllegalStateException("Unknown protocol " + protocolC.toString());
}
}
private final String protocolString;
private final int majorVersion;
private final int minorVersion;
private byte[] protocolBytes;
Protocol(final int majorVersion, final int minorVersion) {
this.majorVersion = majorVersion;
this.minorVersion = minorVersion;
this.protocolString = "HTTP/" + majorVersion + '.' + minorVersion;
try {
protocolBytes = protocolString.getBytes("US-ASCII");
} catch (UnsupportedEncodingException ignored) {
protocolBytes = protocolString.getBytes();
}
}
public int getMajorVersion() {
return majorVersion;
}
public int getMinorVersion() {
return minorVersion;
}
public String getProtocolString() {
return protocolString;
}
public byte[] getProtocolBytes() {
return protocolBytes;
}
}