com.cuubez.visualizer.processor.ResourceVariableProcessor.java Source code

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Here is the source code for com.cuubez.visualizer.processor.ResourceVariableProcessor.java

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/**
 *   Copyright [2013] [www.cuubez.com]
 *   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.
 */
package com.cuubez.visualizer.processor;

import com.cuubez.visualizer.annotation.M;
import com.cuubez.visualizer.annotation.ParameterDetail;
import com.cuubez.visualizer.domain.HeaderVariableMetaData;
import com.cuubez.visualizer.domain.PathVariableMetaData;
import com.cuubez.visualizer.domain.QueryVariableMetaData;
import com.cuubez.visualizer.resource.InformationRepository;
import com.cuubez.visualizer.resource.RootResource;
import com.cuubez.visualizer.resource.SubResource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import javax.ws.rs.HeaderParam;
import javax.ws.rs.PathParam;
import javax.ws.rs.QueryParam;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.List;

public class ResourceVariableProcessor {

    private static Log log = LogFactory.getLog(ResourceVariableProcessor.class);

    public void process() {

        List<RootResource> rootResourceList = InformationRepository.getInstance().getRootResources();

        for (RootResource rootResource : rootResourceList) {

            for (SubResource subResource : rootResource.getSubResources()) {

                Method selectedMethod = subResource.getReflectionMethod();
                final Class[] paramTypes = selectedMethod.getParameterTypes();

                final Annotation[][] paramAnnotations = selectedMethod.getParameterAnnotations();

                for (int i = 0; i < paramAnnotations.length; i++) {

                    boolean pathParam = false;
                    boolean queryParam = false;
                    boolean headerParam = false;
                    boolean mandatory = false;
                    String name = null;
                    String parameterDetail = null;

                    for (Annotation annotation : paramAnnotations[i]) {

                        if (annotation instanceof PathParam) {
                            name = ((PathParam) annotation).value();
                            pathParam = true;

                        } else if (annotation instanceof QueryParam) {

                            name = ((QueryParam) annotation).value();
                            queryParam = true;

                        } else if (annotation instanceof HeaderParam) {

                            name = ((HeaderParam) annotation).value();
                            headerParam = true;

                        } else if (annotation instanceof M) {
                            mandatory = true;
                        } else if (annotation instanceof ParameterDetail) {
                            parameterDetail = ((ParameterDetail) annotation).value();
                        }
                    }

                    if (!pathParam && !headerParam && !queryParam) {
                        subResource.setRequestBody(paramTypes[i]);
                    }

                    constructPathVariableContext(name, pathParam, parameterDetail, paramTypes[i], subResource);
                    constructQueryVariableContext(name, queryParam, parameterDetail, mandatory, paramTypes[i],
                            subResource);
                    constructHeaderVariableContext(name, headerParam, parameterDetail, mandatory, paramTypes[i],
                            subResource);

                }

            }
        }

    }

    private void constructPathVariableContext(String name, boolean pathParam, String parameterDetail, Class type,
            SubResource subResource) {

        if (pathParam) {

            PathVariableMetaData pathVariableMetaData = new PathVariableMetaData(name, true, type.getSimpleName(),
                    parameterDetail);
            subResource.addPathVariableMetaData(pathVariableMetaData);
        }

    }

    private void constructQueryVariableContext(String name, boolean queryParam, String parameterDetail,
            boolean mandatory, Class type, SubResource subResource) {

        if (queryParam) {

            QueryVariableMetaData queryVariableMetaData = new QueryVariableMetaData(name, mandatory,
                    type.getSimpleName(), parameterDetail);
            subResource.addQueryVariableMetaData(queryVariableMetaData);
        }

    }

    private void constructHeaderVariableContext(String name, boolean headerParam, String parameterDetail,
            boolean mandatory, Class type, SubResource subResource) {

        if (headerParam) {

            HeaderVariableMetaData headerVariableMetaData = new HeaderVariableMetaData(name, mandatory,
                    type.getSimpleName(), parameterDetail);
            subResource.addHeaderVariableMetaData(headerVariableMetaData);
        }

    }

}