public interface ExpiresHeader extends SipHeader {
Buffer NAME = Buffers.wrap("Expires");
int getExpires();
void setExpires(int expires);
@Override
ExpiresHeader clone();
static ExpiresHeader create(final int expires) {
assertArgument(expires >= 0, "The value must be greater or equal to zero");
return new ExpiresHeaderImpl(expires);
}
public static ExpiresHeader frame(final Buffer buffer) throws SipParseException {
try {
final int value = buffer.parseToInt();
return new ExpiresHeaderImpl(value);
} catch (final NumberFormatException e) {
throw new SipParseException(
buffer.getReaderIndex(), "Unable to parse the Expires header. Value is not an integer");
} catch (final IOException e) {
throw new SipParseException(
buffer.getReaderIndex(), "Unable to parse the Expires header. Got an IOException", e);
}
}
}
/** {@inheritDoc} */
@Override
public Buffer getValue() {
// TODO: create a composite buffer instead of this crap
final StringBuilder sb = new StringBuilder();
sb.append(this.address.toString());
final Buffer superValue = super.getValue();
if (superValue != null) {
sb.append(superValue.toString());
}
return Buffers.wrap(sb.toString());
}
/**
* A base class for all headers that implmenets both the {@link Address} and {@link Parameters}
* interfaces, such as the {@link ToHeader} and {@link FromHeader}. However, users must be able to
* create to create other {@link AddressParametersHeader}s that are unknown to this implementation
* so they can either extend this base class or simply just create a new {@link
* AddressParametersHeader} by using the {@link Builder}.
*
* @author [email protected]
*/
public class AddressParametersHeaderImpl extends ParametersImpl implements AddressParametersHeader {
public static final Buffer TAG = Buffers.wrap("tag");
private final Address address;
/**
* @param name
* @param params
*/
public AddressParametersHeaderImpl(
final Buffer name, final Address address, final Buffer params) {
super(name, params);
this.address = address;
}
@Override
public Address getAddress() {
return this.address;
}
/** {@inheritDoc} */
@Override
public Buffer getValue() {
// TODO: create a composite buffer instead of this crap
final StringBuilder sb = new StringBuilder();
sb.append(this.address.toString());
final Buffer superValue = super.getValue();
if (superValue != null) {
sb.append(superValue.toString());
}
return Buffers.wrap(sb.toString());
}
@Override
protected void transferValue(final Buffer dst) {
this.address.getBytes(dst);
super.transferValue(dst);
}
@Override
public AddressParametersHeader ensure() {
return this;
}
/** {@inheritDoc} */
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final AddressParametersHeaderImpl other = (AddressParametersHeaderImpl) obj;
if (this.address == null) {
if (other.address != null) {
return false;
}
} else if (!this.address.equals(other.address)) {
return false;
}
return true;
}
}