ca.uhn.fhir.util.reflection.JavaReflectBeanUtil.java Source code

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Here is the source code for ca.uhn.fhir.util.reflection.JavaReflectBeanUtil.java

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package ca.uhn.fhir.util.reflection;

import java.lang.reflect.Method;

import org.apache.commons.lang3.text.WordUtils;

import ca.uhn.fhir.context.ConfigurationException;

/*
 * #%L
 * HAPI FHIR - Core Library
 * %%
 * Copyright (C) 2014 - 2016 University Health Network
 * %%
 * Licensed 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.
 * #L%
 */

public class JavaReflectBeanUtil implements IBeanUtils {

    @Override
    public Method findAccessor(Class<?> theClassToIntrospect, Class<?> theTargetReturnType, String thePropertyName)
            throws NoSuchFieldException {
        String methodName = "get" + WordUtils.capitalize(thePropertyName);
        try {
            Method method = theClassToIntrospect.getMethod(methodName);
            if (theTargetReturnType.isAssignableFrom(method.getReturnType())) {
                return method;
            }
        } catch (NoSuchMethodException e) {
            // fall through
        } catch (SecurityException e) {
            throw new ConfigurationException(
                    "Failed to scan class '" + theClassToIntrospect + "' because of a security exception", e);
        }
        throw new NoSuchFieldException(theClassToIntrospect + " has no accessor for field " + thePropertyName);
    }

    @Override
    public Method findMutator(Class<?> theClassToIntrospect, Class<?> theTargetArgumentType, String thePropertyName)
            throws NoSuchFieldException {
        String methodName = "set" + WordUtils.capitalize(thePropertyName);
        try {
            return theClassToIntrospect.getMethod(methodName, theTargetArgumentType);
        } catch (NoSuchMethodException e) {
            //fall through
        } catch (SecurityException e) {
            throw new ConfigurationException(
                    "Failed to scan class '" + theClassToIntrospect + "' because of a security exception", e);
        }
        throw new NoSuchFieldException(theClassToIntrospect + " has an mutator for field " + thePropertyName
                + " but it does not return type " + theTargetArgumentType);

    }

}