groovy.lang.MissingMethodException Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package groovy.lang;
import org.codehaus.groovy.runtime.InvokerHelper;
import org.codehaus.groovy.runtime.MethodRankHelper;
/**
* An exception occurred if a dynamic method dispatch fails with an unknown method.
*
* Note that the Missing*Exception classes were named for consistency and
* to avoid conflicts with JDK exceptions of the same name.
*
* @author James Strachan
*/
public class MissingMethodException extends GroovyRuntimeException {
private static final Object[] EMPTY_OBJECT_ARRAY = new Object[0];
private static final long serialVersionUID = -6676430495683939401L;
private final String method;
private final Class type;
private final boolean isStatic;
public Object[] getArguments() {
return arguments;
}
private final Object arguments[];
public MissingMethodException(String method, Class type, Object[] arguments) {
this(method, type, arguments, false);
}
public MissingMethodException(String method, Class type, Object[] arguments, boolean isStatic) {
super();
this.method = method;
this.type = type;
this.isStatic = isStatic;
this.arguments = arguments == null ? EMPTY_OBJECT_ARRAY : arguments;
}
public String getMessage() {
return "No signature of method: "
+ (isStatic ? "static " : "")
+ type.getName()
+ "."
+ method
+ "() is applicable for argument types: ("
+ InvokerHelper.toTypeString(arguments)
+ ") values: "
+ InvokerHelper.toArrayString(arguments, 60, true)
+ MethodRankHelper.getMethodSuggestionString(method, type, arguments);
}
/**
* @return the name of the method that could not be found
*/
public String getMethod() {
return method;
}
/**
* @return The type on which the method was attempted to be called
*/
public Class getType() {
return type;
}
/**
* @return Whether the method was called in a static way,
* i.e. on a class rather than an object.
*/
public boolean isStatic() {
return isStatic;
}
}