spinjar.com.jayway.jsonpath.internal.path.FunctionPathToken Maven / Gradle / Ivy
package com.jayway.jsonpath.internal.path;
import com.jayway.jsonpath.internal.Path;
import com.jayway.jsonpath.internal.PathRef;
import com.jayway.jsonpath.internal.function.Parameter;
import com.jayway.jsonpath.internal.function.PathFunction;
import com.jayway.jsonpath.internal.function.PathFunctionFactory;
import com.jayway.jsonpath.internal.function.latebinding.JsonLateBindingValue;
import com.jayway.jsonpath.internal.function.latebinding.PathLateBindingValue;
import java.util.List;
/**
* Token representing a Function call to one of the functions produced via the FunctionFactory
*
* @see PathFunctionFactory
*
* Created by mattg on 6/27/15.
*/
public class FunctionPathToken extends PathToken {
private final String functionName;
private final String pathFragment;
private List functionParams;
public FunctionPathToken(String pathFragment, List parameters) {
this.pathFragment = pathFragment + ((parameters != null && parameters.size() > 0) ? "(...)" : "()");
if(null != pathFragment){
functionName = pathFragment;
functionParams = parameters;
} else {
functionName = null;
functionParams = null;
}
}
@Override
public void evaluate(String currentPath, PathRef parent, Object model, EvaluationContextImpl ctx) {
PathFunction pathFunction = PathFunctionFactory.newFunction(functionName);
evaluateParameters(currentPath, parent, model, ctx);
Object result = pathFunction.invoke(currentPath, parent, model, ctx, functionParams);
ctx.addResult(currentPath + "." + functionName, parent, result);
cleanWildcardPathToken();
if (!isLeaf()) {
next().evaluate(currentPath, parent, result, ctx);
}
}
private void cleanWildcardPathToken() {
if (null != functionParams && functionParams.size() > 0) {
Path path = functionParams.get(0).getPath();
if (null != path && !path.isFunctionPath() && path instanceof CompiledPath) {
RootPathToken root = ((CompiledPath) path).getRoot();
PathToken tail = root.getNext();
while (null != tail && null != tail.getNext() ) {
if(tail.getNext() instanceof WildcardPathToken){
tail.setNext(tail.getNext().getNext());
break;
}
tail = tail.getNext();
}
}
}
}
private void evaluateParameters(String currentPath, PathRef parent, Object model, EvaluationContextImpl ctx) {
if (null != functionParams) {
for (Parameter param : functionParams) {
switch (param.getType()) {
case PATH:
PathLateBindingValue pathLateBindingValue = new PathLateBindingValue(param.getPath(), ctx.rootDocument(), ctx.configuration());
if (!param.hasEvaluated()||!pathLateBindingValue.equals(param.getILateBingValue())) {
param.setLateBinding(pathLateBindingValue);
param.setEvaluated(true);
}
break;
case JSON:
if (!param.hasEvaluated()) {
param.setLateBinding(new JsonLateBindingValue(ctx.configuration().jsonProvider(), param));
param.setEvaluated(true);
}
break;
}
}
}
}
/**
* Return the actual value by indicating true. If this return was false then we'd return the value in an array which
* isn't what is desired - true indicates the raw value is returned.
*
* @return true if token is definite
*/
@Override
public boolean isTokenDefinite() {
return true;
}
@Override
public String getPathFragment() {
return "." + pathFragment;
}
public void setParameters(List parameters) {
this.functionParams = parameters;
}
public List getParameters() {
return this.functionParams;
}
public String getFunctionName() {
return this.functionName;
}
}
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