com.cloudera.api.model.JaxbAnnotationBehavior.java Source code

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Here is the source code for com.cloudera.api.model.JaxbAnnotationBehavior.java

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// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. 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 com.cloudera.api.model;

import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;

import javax.xml.bind.JAXBException;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import java.io.IOException;
import java.io.UnsupportedEncodingException;

import static org.junit.Assert.fail;

/**
 * This is a test class for checking the behavior of JAX-B annotation
 */
public class JaxbAnnotationBehavior {
    private static final String TEST_STRING = "This is a test string";

    public static interface Valuable {
        public String getValue();
    }

    @XmlRootElement
    @XmlAccessorType(XmlAccessType.NONE)
    public static class AnnotatedGetterNoSetterAccessNone implements Valuable {
        private String value;

        public AnnotatedGetterNoSetterAccessNone() {
        }

        public AnnotatedGetterNoSetterAccessNone(String value) {
            this.value = value;
        }

        @XmlElement
        public String getValue() {
            return this.value;
        }

    }

    @XmlRootElement
    @XmlAccessorType(XmlAccessType.PROPERTY)
    public static class GetterNoSetterAccessProperty implements Valuable {
        private String value;

        public GetterNoSetterAccessProperty() {
        }

        public GetterNoSetterAccessProperty(String value) {
            this.value = value;
        }

        public String getValue() {
            return this.value;
        }

    }

    @XmlRootElement
    public static class AnnotatedGetterNoSetterAccessDefault implements Valuable {
        private String value;

        public AnnotatedGetterNoSetterAccessDefault() {
        }

        public AnnotatedGetterNoSetterAccessDefault(String value) {
            this.value = value;
        }

        @XmlElement
        public String getValue() {
            return this.value;
        }

    }

    @XmlRootElement
    @XmlAccessorType(XmlAccessType.NONE)
    public static class AnnotatedGetterWithSetterAccessNone implements Valuable {
        private String value;

        public AnnotatedGetterWithSetterAccessNone() {
        }

        public AnnotatedGetterWithSetterAccessNone(String value) {
            this.value = value;
        }

        @XmlElement
        public String getValue() {
            return this.value;
        }

        public void setValue(String value) {
            this.value = value;
        }

    }

    @XmlRootElement
    @XmlAccessorType(XmlAccessType.NONE)
    public static class AnnotatedFieldAccessNone implements Valuable {

        @XmlElement
        private String value;

        public AnnotatedFieldAccessNone() {
        }

        public AnnotatedFieldAccessNone(String value) {
            this.value = value;
        }

        public String getValue() {
            return value;
        }

    }

    private static <T> void testObject(String test, Class<? extends T> type, T object) {
        System.out.println(test);
        String objXML = null;
        String objJSON = null;
        try {
            objXML = ApiModelTest.objectToXml(object);
            objJSON = ApiModelTest.objectToJson(object);
        } catch (JAXBException e) {
            e.printStackTrace();
            return;
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return;
        } catch (IOException e) {
            e.printStackTrace();
            return;
        }

        if (objXML.contains(TEST_STRING)) {
            System.out.println("\tObject->XML contained the value.");
        } else {
            System.out.println("\tObject->XML DID NOT contain the value.");
        }
        if (objJSON.contains(TEST_STRING)) {
            System.out.println("\tObject->JSON contained the value.");
        } else {
            System.out.println("\tObject->JSON DID NOT contain the value.");
        }

        T objFromXML = null;
        T objFromJSON = null;

        try {
            objFromXML = ApiModelTest.xmlToObject(objXML, type);
            objFromJSON = ApiModelTest.jsonToObject(objJSON, type);
        } catch (JAXBException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (UnrecognizedPropertyException e) {
            System.out.println("\tJSON->Obj threw an UnrecognizedPropertyException");
        } catch (IOException e) {
            e.printStackTrace();
        }

        if (objFromXML == null) {
            System.out.println("\tXML->Obj returned a null object");
        } else {
            String xmlValue = ((Valuable) objFromXML).getValue();
            if (xmlValue == null) {
                System.out.println("\tXML->Obj has a NULL value");
            } else if (xmlValue.equals(TEST_STRING)) {
                System.out.println("\tXML->Obj has the value.");
            } else {
                fail("XML->Obj has an unexpected value=" + xmlValue);
            }
        }

        if (objFromJSON == null) {
            System.out.println("\tJSON->Obj returned a null object");
        } else {
            String jsonValue = ((Valuable) objFromJSON).getValue();
            if (jsonValue == null) {
                System.out.println("\tJSON->Obj has a NULL value");
            } else if (jsonValue.equals(TEST_STRING)) {
                System.out.println("\tJSON->Obj has the value.");
            } else {
                fail("JSON->Obj has an unexpected value=" + jsonValue);
            }
        }

    }

    public static void main(String[] args) {
        testObject("Annotated Getter no Setter Access=NONE", AnnotatedGetterNoSetterAccessNone.class,
                new AnnotatedGetterNoSetterAccessNone(TEST_STRING));
        testObject("Annotated Getter no Setter Access=Default (PUBLIC_MEMBER)",
                AnnotatedGetterNoSetterAccessDefault.class, new AnnotatedGetterNoSetterAccessDefault(TEST_STRING));
        testObject("Annotated Getter with Setter Access=NONE", AnnotatedGetterWithSetterAccessNone.class,
                new AnnotatedGetterWithSetterAccessNone(TEST_STRING));
        testObject("Annotated field with Access=NONE", AnnotatedFieldAccessNone.class,
                new AnnotatedFieldAccessNone(TEST_STRING));
        testObject("Getter no setter Access=PROPERTY", GetterNoSetterAccessProperty.class,
                new GetterNoSetterAccessProperty(TEST_STRING));
    }

}