/**
* Do a recursive find and replace of objects pointed to by this object.
*
* @since v1.0
* @param objectText Canonical string representation of the portion we want to replace.
* @param replacement object we want to replace this portion with. A replacement will occur if a
* portion of the structure is found with a match of the encoded text with objectText and with
* the same class as replacement.
* @param matchSubstring is true if we want to match objectText as a substring of the encoded
* target text. (i.e. an object is a candidate for replacement if objectText is a substring of
* candidate.encode() && candidate.class.equals(replacement.class) otherwise the match test is
* an equality test.)
*/
public void replace(String objectText, GenericObjectList replacement, boolean matchSubstring)
throws IllegalArgumentException {
if (objectText == null || replacement == null) {
throw new IllegalArgumentException("null argument!");
}
Class replacementClass = replacement.getClass();
Class myclass = getClass();
Field[] fields = myclass.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
Field f = fields[i];
Class fieldType = f.getType();
if (!getClassFromName(SIP_PACKAGE + ".GenericObject").isAssignableFrom(fieldType)
&& !getClassFromName(SIP_PACKAGE + ".GenericObjectList").isAssignableFrom(fieldType)) {
continue;
} else if ((f.getModifiers() & Modifier.PRIVATE) == Modifier.PRIVATE) {
continue;
}
try {
if (fieldType.equals(replacementClass)) {
if (GenericObject.isMySubclass(replacementClass)) {
GenericObject obj = (GenericObject) f.get(this);
if (!matchSubstring) {
if (objectText.compareTo(obj.encode()) == 0) {
f.set(this, replacement);
}
} else {
if (obj.encode().indexOf(objectText) >= 0) {
f.set(this, replacement);
}
}
} else if (GenericObjectList.isMySubclass(replacementClass)) {
GenericObjectList obj = (GenericObjectList) f.get(this);
if (!matchSubstring) {
if (objectText.compareTo(obj.encode()) == 0) {
f.set(this, replacement);
}
} else {
if (obj.encode().indexOf(objectText) >= 0) {
f.set(this, replacement);
}
}
}
} else if (getClassFromName(SIP_PACKAGE + ".GenericObject").isAssignableFrom(fieldType)) {
GenericObject g = (GenericObject) f.get(this);
g.replace(objectText, replacement, matchSubstring);
} else if (getClassFromName(SIP_PACKAGE + ".GenericObjectList")
.isAssignableFrom(fieldType)) {
GenericObjectList g = (GenericObjectList) f.get(this);
g.replace(objectText, replacement, matchSubstring);
}
} catch (IllegalAccessException ex) {
InternalErrorHandler.handleException(ex);
}
}
}
public StringBuffer encode(StringBuffer buffer) {
if (name != null && value != null && !isFlagParameter) {
if (GenericObject.isMySubclass(value.getClass())) {
GenericObject gv = (GenericObject) value;
buffer.append(name).append(separator).append(quotes);
gv.encode(buffer);
buffer.append(quotes);
return buffer;
} else if (GenericObjectList.isMySubclass(value.getClass())) {
GenericObjectList gvlist = (GenericObjectList) value;
buffer.append(name).append(separator).append(gvlist.encode());
return buffer;
} else if (value.toString().length() == 0) {
// opaque="" bug fix - pmusgrave
/*if (name.toString().equals(gov.nist.javax.sip.header.ParameterNames.OPAQUE))
return name + separator + quotes + quotes;
else
return name;*/
if (this.isQuotedString) {
buffer.append(name).append(separator).append(quotes).append(quotes);
return buffer;
} else {
buffer.append(name).append(separator); // JvB: fix, case: "sip:host?subject="
return buffer;
}
} else {
buffer
.append(name)
.append(separator)
.append(quotes)
.append(value.toString())
.append(quotes);
return buffer;
}
} else if (name == null && value != null) {
if (GenericObject.isMySubclass(value.getClass())) {
GenericObject gv = (GenericObject) value;
gv.encode(buffer);
return buffer;
} else if (GenericObjectList.isMySubclass(value.getClass())) {
GenericObjectList gvlist = (GenericObjectList) value;
buffer.append(gvlist.encode());
return buffer;
} else {
buffer.append(quotes).append(value.toString()).append(quotes);
return buffer;
}
} else if (name != null && (value == null || isFlagParameter)) {
buffer.append(name);
return buffer;
} else {
return buffer;
}
}
/**
* An introspection based predicate matching using a template object. Allows for partial match of
* two protocl Objects.
*
* @other the match pattern to test against. The match object has to be of the same type (class).
* Primitive types and non-sip fields that are non null are matched for equality. Null in any
* field matches anything. Some book-keeping fields are ignored when making the comparison.
*/
public boolean match(Object other) {
if (other == null) return true;
if (!this.getClass().equals(other.getClass())) return false;
GenericObject that = (GenericObject) other;
Class myclass = this.getClass();
Field[] fields = myclass.getDeclaredFields();
Class hisclass = other.getClass();
Field[] hisfields = hisclass.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
Field f = fields[i];
Field g = hisfields[i];
// Only print protected and public members.
int modifier = f.getModifiers();
if ((modifier & Modifier.PRIVATE) == Modifier.PRIVATE) continue;
Class fieldType = f.getType();
String fieldName = f.getName();
if (fieldName.compareTo("stringRepresentation") == 0) {
continue;
}
if (fieldName.compareTo("indentation") == 0) {
continue;
}
if (fieldName.compareTo("inputText") == 0) {
continue;
}
try {
// Primitive fields are printed with type: value
if (fieldType.isPrimitive()) {
String fname = fieldType.toString();
if (fname.compareTo("int") == 0) {
if (f.getInt(this) != g.getInt(that)) return false;
} else if (fname.compareTo("short") == 0) {
if (f.getShort(this) != g.getShort(that)) return false;
} else if (fname.compareTo("char") == 0) {
if (f.getChar(this) != g.getChar(that)) return false;
} else if (fname.compareTo("long") == 0) {
if (f.getLong(this) != g.getLong(that)) return false;
} else if (fname.compareTo("boolean") == 0) {
if (f.getBoolean(this) != g.getBoolean(that)) return false;
} else if (fname.compareTo("double") == 0) {
if (f.getDouble(this) != g.getDouble(that)) return false;
} else if (fname.compareTo("float") == 0) {
if (f.getFloat(this) != g.getFloat(that)) return false;
}
} else {
Object myObj = f.get(this);
Object hisObj = g.get(that);
if (hisObj == myObj) return true;
else if (hisObj != null && myObj == null) return false;
else if (GenericObject.isMySubclass(myObj.getClass())
&& !((GenericObject) myObj).match(hisObj)) return false;
else if (hisObj instanceof java.lang.String && myObj instanceof java.lang.String) {
if (((String) myObj).compareToIgnoreCase((String) hisObj) != 0) return false;
} else if (GenericObjectList.isMySubclass(myObj.getClass())
&& !((GenericObjectList) myObj).match(hisObj)) return false;
}
} catch (IllegalAccessException ex1) {
InternalErrorHandler.handleException(ex1);
}
}
return true;
}
