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/*
* Copyright (c) 2010-2014 Remko Tronçon
* All rights reserved.
*/
/*
* Copyright (c) 2010-2014, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.session;
import java.util.List;
import com.isode.stroke.base.SafeByteArray;
import com.isode.stroke.base.ByteArray;
import com.isode.stroke.base.Error;
import com.isode.stroke.elements.Element;
import com.isode.stroke.elements.ProtocolHeader;
import com.isode.stroke.signals.Signal;
import com.isode.stroke.signals.Signal1;
import com.isode.stroke.tls.Certificate;
import com.isode.stroke.tls.CertificateVerificationError;
import com.isode.stroke.tls.CertificateWithKey;
public abstract class SessionStream {
public static class SessionStreamError implements Error {
public enum Type {
ParseError,
TLSError,
InvalidTLSCertificateError,
ConnectionReadError,
ConnectionWriteError
}
public SessionStreamError(Type type) {
this.type = type;
}
public final Type type;
}
public abstract void close();
public abstract boolean isOpen();
public abstract void writeHeader(ProtocolHeader header);
public abstract void writeFooter();
public abstract void writeElement(Element element);
public abstract void writeData(String data);
public abstract boolean supportsZLibCompression();
public abstract void addZLibCompression();
public abstract boolean supportsTLSEncryption();
public abstract void addTLSEncryption();
public abstract boolean isTLSEncrypted();
public abstract void setWhitespacePingEnabled(boolean enabled);
public abstract void resetXMPPParser();
public abstract void disconnect();
protected void finalize() throws Throwable {
try {
disconnect();
}
finally {
super.finalize();
}
}
public void setTLSCertificate(CertificateWithKey cert) {
certificate = cert;
}
public boolean hasTLSCertificate() {
return certificate != null && !certificate.isNull();
}
public abstract List<Certificate> getPeerCertificateChain();
public abstract Certificate getPeerCertificate();
public abstract CertificateVerificationError getPeerCertificateVerificationError();
public abstract ByteArray getTLSFinishMessage();
public final Signal1<ProtocolHeader> onStreamStartReceived = new Signal1<ProtocolHeader>();
public final Signal1<Element> onElementReceived = new Signal1<Element>();
public final Signal1<Error> onClosed = new Signal1<Error>();
public final Signal onTLSEncrypted = new Signal();
public final Signal1<SafeByteArray> onDataRead = new Signal1<SafeByteArray>();
public final Signal1<SafeByteArray> onDataWritten = new Signal1<SafeByteArray>();
protected CertificateWithKey getTLSCertificate() {
return certificate;
}
@Override
public String toString() {
String className = this.getClass().getSimpleName();
// Include actual type based on class name of the object
return className +
"; supportsTLSEncryption:" + supportsTLSEncryption() +
"; " + (hasTLSCertificate() ? "has" : "no") +
" certificate";
}
private CertificateWithKey certificate;
}
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