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package com.sun.enterprise.tools.verifier.tests;
import java.util.List;
import java.util.ArrayList;
import java.lang.reflect.Method;
import com.sun.enterprise.tools.verifier.tests.web.WebTest;
/**
* @author Sudipto Ghosh
*/
public abstract class TagLibTest extends WebTest {
/**
* This method parses the function-signature argument and returns the list of
* parameters as String array.
*
* signature param to this method contains the value of this element in tld.
* <function-signature>java.lana.String nickName( java.lang.String, int )
* </function-signature>
*
* @param signature
* @return The String array containing the parameter class type.
*/
public String[] getParameters(String signature) {
StringBuilder sb = new StringBuilder();
String[] tokens = (signature.split("\\s"));
for (int i = 1; i < tokens.length; i++)
sb.append(tokens[i]);
String fullParamString = sb.toString().substring(sb.indexOf("(") + 1, sb.indexOf(")"));
String[] params = getParams(fullParamString);
return params;
}
/**
*
* @param fullParamString This is the parsed string from which the parameters
* will be separated and added as a list of Strings
* eg: for <function-signature>java.lana.String nickName( java.lang.String, int )
* </function-signature>. The parsed String will look like this
* java.lang.String,int
* @return String array containing all the parameter Types
*/
public String[] getParams(String fullParamString) {
List<String> list = new ArrayList<String>();
if (fullParamString.contains(",")) {
String rest = fullParamString.substring(fullParamString.indexOf(",") + 1, fullParamString.length());
fullParamString = fullParamString.substring(0, fullParamString.indexOf(","));
list.add(fullParamString);
getParams(rest);
} else list.add(fullParamString);
return list.toArray(new String[0]);
}
/**
* This method returns the first token of this string, which must be the return
* type of the method.
* @param signature string from the function-signature element of tld
* @return return type of the method.
*/
public String getRetType(String signature) {
String[] tokens = (signature.split("\\s"));
return tokens[0];
}
/**
* This method will return the method name from the signature String passed
* as argument.
* eg: for <function-signature>java.lana.String nickName( java.lang.String, int )
* </function-signature>
* @param signature
* @return method name
*/
public String getName(String signature) {
StringBuilder sb = new StringBuilder();
String[] tokens = (signature.split("\\s"));
for (int i = 1; i < tokens.length; i++)
sb.append(tokens[i]);
String name = sb.toString();
name = name.substring(0, name.indexOf("("));
return name;
}
/**
* Checks if the parameter array matches with this method's parameters
* @param m method object
* @param param parameter class array
* @return true if parameters match, false otherwise
*/
public boolean parametersMatch(Method m, Class[] param) {
boolean match = false;
Class[] types = m.getParameterTypes();
if (types.length!=param.length)
return false;
for (int i=0; i<types.length; i++) {
match = types[i].equals(param[i]);
}
return match;
}
/**
* Checks if the return type specified in this method m and the return type
* required matches
* @param m
* @param retType
* @return true if retType and m.getReturnType matches, false otherwise
*/
public boolean returnTypeMatch(Method m, String retType) {
Class ret = m.getReturnType();
Class retTypeClass = checkIfPrimitive(retType);
if (retTypeClass == null);
try {
retTypeClass = Class.forName(retType);
} catch (ClassNotFoundException e) {
//do nothing. If return type is incorrect, it will be caught by
// another test in verifier.
}
if(retTypeClass != null) //this may happen if retType is
return retTypeClass.equals(ret);//non-primitive and invalid
else return false;
}
/**
* given a parameter array contained in a method, this method returns the
* Class array representation of the parameters
* @param par
* @param cl
* @return class array representation of the parameters
*/
public Class[] getParamTypeClass(String[] par, ClassLoader cl) {
List<Class> list = new ArrayList<Class>();
for(String s : par) {
Class c = checkIfPrimitive(s);
if (c != null)
list.add(c);
else {
try {
c = Class.forName(s, false, cl);
list.add(c);
} catch (ClassNotFoundException e) {
//do nothing. Other test will report the problem if parameter
// is not specified correctly
}
}
}
return list.toArray(new Class[0]);
}
}
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