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/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
/**************************************************************************/
/* Product of NIST Advanced Networking Technologies Division */
/**************************************************************************/
package android.gov.nist.javax.sip.header;
import android.gov.nist.core.DuplicateNameValueList;
import android.gov.nist.core.NameValue;
import android.gov.nist.core.NameValueList;
import android.gov.nist.javax.sip.address.GenericURI;
import java.io.Serializable;
import java.text.ParseException;
import java.util.Iterator;
import android.javax.sip.header.Parameters;
/**
* Parameters header. Suitable for extension by headers that have parameters.
*
* @author M. Ranganathan
*
*
* @version 1.2 $Revision: 1.17 $ $Date: 2010-07-28 08:39:26 $
*
*/
public abstract class ParametersHeader
extends SIPHeader
implements android.javax.sip.header.Parameters, ParametersExt, Serializable {
protected NameValueList parameters;
protected DuplicateNameValueList duplicates;
protected ParametersHeader() {
this.parameters = new NameValueList();
this.duplicates = new DuplicateNameValueList();
}
protected ParametersHeader(String hdrName) {
super(hdrName);
this.parameters = new NameValueList();
this.duplicates = new DuplicateNameValueList();
}
protected ParametersHeader(String hdrName, boolean sync) {
super(hdrName);
this.parameters = new NameValueList(sync);
this.duplicates = new DuplicateNameValueList();
}
/*
* (non-Javadoc)
* @see android.javax.sip.header.Parameters#getParameter(java.lang.String)
*/
public String getParameter(String name) {
return this.parameters.getParameter(name);
}
/*
* (non-Javadoc)
* @see android.gov.nist.javax.sip.header.ParametersExt#getParameter(java.lang.String, boolean)
*/
public String getParameter(String name, boolean stripQuotes) {
return this.parameters.getParameter(name, stripQuotes);
}
/**
* Return the parameter as an object (dont convert to string).
*
* @param name is the name of the parameter to get.
* @return the object associated with the name.
*/
public Object getParameterValue(String name) {
return this.parameters.getValue(name);
}
/**
* Returns an Iterator over the names (Strings) of all parameters present
* in this ParametersHeader.
*
* @return an Iterator over all the parameter names
*/
public Iterator getParameterNames() {
return parameters.getNames();
}
/** Return true if you have a parameter and false otherwise.
*
*@return true if the parameters list is non-empty.
*/
public boolean hasParameters() {
return parameters != null && !parameters.isEmpty();
}
/**
* Removes the specified parameter from Parameters of this ParametersHeader.
* This method returns silently if the parameter is not part of the
* ParametersHeader.
*
* @param name - a String specifying the parameter name
*/
public void removeParameter(String name) {
this.parameters.delete(name);
}
/**
* Sets the value of the specified parameter. If the parameter already had
*
* a value it will be overwritten. A zero-length String indicates flag
*
* parameter.
*
*
*
* @param name - a String specifying the parameter name
*
* @param value - a String specifying the parameter value
*
* @throws ParseException which signals that an error has been reached
*
* unexpectedly while parsing the parameter name or value.
*
*/
public void setParameter(String name, String value) throws ParseException {
NameValue nv = parameters.getNameValue(name);
if (nv != null) {
nv.setValueAsObject(value);
} else {
nv = new NameValue(name, value);
this.parameters.set(nv);
}
}
/**
* Sets the value of the specified parameter. If the parameter already had
*
* a value it will be overwritten. A zero-length String indicates flag
*
* parameter.
*
*
*
* @param name - a String specifying the parameter name
*
* @param value - a String specifying the parameter value
*
* @throws ParseException which signals that an error has been reached
*
* unexpectedly while parsing the parameter name or value.
*
*/
public void setQuotedParameter(String name, String value)
throws ParseException {
NameValue nv = parameters.getNameValue(name);
if (nv != null) {
nv.setValueAsObject(value);
nv.setQuotedValue();
} else {
nv = new NameValue(name, value);
nv.setQuotedValue();
this.parameters.set(nv);
}
}
/**
* Sets the value of the specified parameter. If the parameter already had
*
* a value it will be overwritten.
*
*
* @param name - a String specifying the parameter name
*
* @param value - an int specifying the parameter value
*
* @throws ParseException which signals that an error has been reached
*
* unexpectedly while parsing the parameter name or value.
*
*/
protected void setParameter(String name, int value) {
Integer val = Integer.valueOf(value);
this.parameters.set(name,val);
}
/**
* Sets the value of the specified parameter. If the parameter already had
*
* a value it will be overwritten.
*
*
* @param name - a String specifying the parameter name
*
* @param value - a boolean specifying the parameter value
*
* @throws ParseException which signals that an error has been reached
*
* unexpectedly while parsing the parameter name or value.
*
*/
protected void setParameter(String name, boolean value) {
Boolean val = Boolean.valueOf(value);
this.parameters.set(name,val);
}
/**
* Sets the value of the specified parameter. If the parameter already had
*
* a value it will be overwritten.
*
* @param name - a String specifying the parameter name
*
* @param value - a boolean specifying the parameter value
*
* @throws ParseException which signals that an error has been reached
*
* unexpectedly while parsing the parameter name or value.
*
*/
protected void setParameter(String name, float value) {
Float val = Float.valueOf(value);
NameValue nv = parameters.getNameValue(name);
if (nv != null) {
nv.setValueAsObject(val);
} else {
nv = new NameValue(name, val);
this.parameters.set(nv);
}
}
/**
* Sets the value of the specified parameter. If the parameter already had
*
* a value it will be overwritten. A zero-length String indicates flag
*
* parameter.
*
*
*
* @param name - a String specifying the parameter name
*
* @param value - a String specifying the parameter value
*
* @throws ParseException which signals that an error has been reached
*
* unexpectedly while parsing the parameter name or value.
*
*/
protected void setParameter(String name, Object value) {
this.parameters.set(name,value);
}
/**
* Return true if has a parameter.
*
* @param parameterName is the name of the parameter.
*
* @return true if the parameter exists and false if not.
*/
public boolean hasParameter(String parameterName) {
return this.parameters.hasNameValue(parameterName);
}
/**
*Remove all parameters.
*/
public void removeParameters() {
this.parameters = new NameValueList();
}
/**
* get the parameter list.
* @return parameter list
*/
public NameValueList getParameters() {
return parameters;
}
/** Set the parameter given a name and value.
*
* @param nameValue - the name value of the parameter to set.
*/
public void setParameter(NameValue nameValue) {
this.parameters.set(nameValue);
}
/**
* Set the parameter list.
*
* @param parameters The name value list to set as the parameter list.
*/
public void setParameters(NameValueList parameters) {
this.parameters = parameters;
}
/**
* Get the parameter as an integer value.
*
* @param parameterName -- the parameter name to fetch.
*
* @return -1 if the parameter is not defined in the header.
*/
protected int getParameterAsInt(String parameterName) {
if (this.getParameterValue(parameterName) != null) {
try {
if (this.getParameterValue(parameterName) instanceof String) {
return Integer.parseInt(this.getParameter(parameterName));
} else {
return ((Integer) getParameterValue(parameterName))
.intValue();
}
} catch (NumberFormatException ex) {
return -1;
}
} else
return -1;
}
/** Get the parameter as an integer when it is entered as a hex.
*
*@param parameterName -- The parameter name to fetch.
*
*@return -1 if the parameter is not defined in the header.
*/
protected int getParameterAsHexInt(String parameterName) {
if (this.getParameterValue(parameterName) != null) {
try {
if (this.getParameterValue(parameterName) instanceof String) {
return Integer.parseInt(
this.getParameter(parameterName),
16);
} else {
return ((Integer) getParameterValue(parameterName))
.intValue();
}
} catch (NumberFormatException ex) {
return -1;
}
} else
return -1;
}
/** Get the parameter as a float value.
*
*@param parameterName -- the parameter name to fetch
*
*@return -1 if the parameter is not defined or the parameter as a float.
*/
protected float getParameterAsFloat(String parameterName) {
if (this.getParameterValue(parameterName) != null) {
try {
if (this.getParameterValue(parameterName) instanceof String) {
return Float.parseFloat(this.getParameter(parameterName));
} else {
return ((Float) getParameterValue(parameterName))
.floatValue();
}
} catch (NumberFormatException ex) {
return -1;
}
} else
return -1;
}
/**
* Get the parameter as a long value.
*
* @param parameterName -- the parameter name to fetch.
*
* @return -1 if the parameter is not defined or the parameter as a long.
*/
protected long getParameterAsLong(String parameterName) {
if (this.getParameterValue(parameterName) != null) {
try {
if (this.getParameterValue(parameterName) instanceof String) {
return Long.parseLong(this.getParameter(parameterName));
} else {
return ((Long) getParameterValue(parameterName))
.longValue();
}
} catch (NumberFormatException ex) {
return -1;
}
} else
return -1;
}
/**
* Get the parameter value as a URI.
*
* @param parameterName -- the parameter name
*
* @return value of the parameter as a URI or null if the parameter
* not present.
*/
protected GenericURI getParameterAsURI(String parameterName) {
Object val = getParameterValue(parameterName);
if (val instanceof GenericURI)
return (GenericURI) val;
else {
try {
return new GenericURI((String) val);
} catch (ParseException ex) {
//catch ( URISyntaxException ex) {
return null;
}
}
}
/**
* Get the parameter value as a boolean.
*
* @param parameterName -- the parameter name
* @return boolean value of the parameter.
*/
protected boolean getParameterAsBoolean(String parameterName) {
Object val = getParameterValue(parameterName);
if (val == null) {
return false;
} else if (val instanceof Boolean) {
return ((Boolean) val).booleanValue();
} else if (val instanceof String) {
return Boolean.valueOf((String) val).booleanValue();
} else
return false;
}
/**
* This is for the benifit of the TCK.
*
* @return the name value pair for the given parameter name.
*/
public NameValue getNameValue(String parameterName) {
return parameters.getNameValue(parameterName);
}
public Object clone() {
ParametersHeader retval = (ParametersHeader) super.clone();
if (this.parameters != null)
retval.parameters = (NameValueList) this.parameters.clone();
return retval;
}
//-------------------------
/**
* Introduced specifically for the P-Charging-Function-Addresses Header and
* all other headers that may have multiple header parameters of the same name, but
* with multiple possible values.
*
* Example: P-Charging-Function-Addresses: ccf=[5555::b99:c88:d77:e66]; ccf=[5555::a55:b44:c33:d22];
* ecf=[5555::1ff:2ee:3dd:4cc]; ecf=[5555::6aa:7bb:8cc:9dd]
* @param name of the parameter
* @param value of the parameter
*/
public void setMultiParameter(String name, String value)
{
NameValue nv = new NameValue();
nv.setName(name);
nv.setValue(value);
duplicates.set(nv);
}
/** Set the parameter given a name and value.
*
* @param nameValue - the name value of the parameter to set.
*/
public void setMultiParameter(NameValue nameValue) {
this.duplicates.set(nameValue);
}
/**
* Returns the parameter name
* @param name
* @return
*/
public String getMultiParameter(String name) {
return this.duplicates.getParameter(name);
}
public DuplicateNameValueList getMultiParameters() {
return duplicates;
}
/**
* Return the parameter as an object (dont convert to string).
*
* @param name is the name of the parameter to get.
* @return the object associated with the name.
*/
public Object getMultiParameterValue(String name) {
return this.duplicates.getValue(name);
}
/**
* Returns an Iterator over the names (Strings) of all parameters present
* in this ParametersHeader.
*
* @return an Iterator over all the parameter names
*/
public Iterator getMultiParameterNames() {
return duplicates.getNames();
}
/** Return true if you have a parameter and false otherwise.
*
*@return true if the parameters list is non-empty.
*/
public boolean hasMultiParameters() {
return duplicates != null && !duplicates.isEmpty();
}
/**
* Removes the specified parameter from Parameters of this ParametersHeader.
* This method returns silently if the parameter is not part of the
* ParametersHeader.
*
* @param name - a String specifying the parameter name
*/
public void removeMultiParameter(String name) {
this.duplicates.delete(name);
}
/**
* Return true if has a parameter.
*
* @param parameterName is the name of the parameter.
*
* @return true if the parameter exists and false if not.
*/
public boolean hasMultiParameter(String parameterName) {
return this.duplicates.hasNameValue(parameterName);
}
/**
*Remove all parameters.
*/
public void removeMultiParameters() {
this.duplicates = new DuplicateNameValueList();
}
//-------------------------------
@SuppressWarnings("unchecked")
protected final boolean equalParameters( Parameters other ) {
if (this==other) return true;
for ( Iterator i = this.getParameterNames(); i.hasNext();) {
String pname = (String) i.next();
String p1 = this.getParameter( pname );
String p2 = other.getParameter( pname );
// getting them based on this.getParameterNames. Note that p1 may be null
// if this is a name-only parameter like rport or lr.
if (p1 == null ^ p2 == null) return false;
else if (p1 != null && !p1.equalsIgnoreCase(p2) ) return false;
}
// Also compare other's parameters; some duplicate testing here...
for ( Iterator i = other.getParameterNames(); i.hasNext();) {
String pname = (String) i.next();
String p1 = other.getParameter( pname );
String p2 = this.getParameter( pname );
// assert( p1 != null );
// if ( p1 == null ) throw new RuntimeException("Assertion check failed!");
// if (p2==null) return false;
// getting them based on this.getParameterNames. Note that p1 may be null
// if this is a name-only parameter like rport or lr.
if (p1 == null ^ p2 == null) return false;
else if (p1 != null && !p1.equalsIgnoreCase(p2) ) return false;
}
return true;
}
// ----------- Abstract methods --------------
protected abstract StringBuilder encodeBody(StringBuilder buffer);
}
