ExceptionFromWriterTest.java

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package com.sun.jersey.json.impl;

import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.api.json.JSONJAXBContext;
import com.sun.jersey.api.json.JSONMarshaller;
import java.io.FilterWriter;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import javax.xml.bind.MarshalException;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.stream.XMLStreamException;
import junit.framework.TestCase;

/**
 *
 * test case for issue#397
 *
 */
public class ExceptionFromWriterTest extends TestCase {

    @XmlRootElement()
    public static class Bean {

        private String a;
        private String b;
        private String c;

        public Bean() {
        }

        public Bean(String a, String b, String c) {
            this.a = a;
            this.b = b;
            this.c = c;
        }

        /**
         * @return the a
         */
        public String getA() {
            return a;
        }

        /**
         * @param a the a to set
         */
        public void setA(String a) {
            this.a = a;
        }

        /**
         * @return the b
         */
        public String getB() {
            return b;
        }

        /**
         * @param b the b to set
         */
        public void setB(String b) {
            this.b = b;
        }

        /**
         * @return the c
         */
        public String getC() {
            return c;
        }

        /**
         * @param c the c to set
         */
        public void setC(String c) {
            this.c = c;
        }
    }

    public void testException() throws Exception {
        _testException("{", "a", "A", "b", "B", "c", "C", "}");
    }

    public void _testException(String... values) {
        for (String value : values) {
            boolean caught = false;
            try {
                _testException(value);
            } catch (Exception ex) {
                caught = true;
                assertEquals(MarshalException.class, ex.getClass());
                assertEquals(XMLStreamException.class, ex.getCause().getClass());
            }
            assertTrue(caught);
        }
    }

    public void _testException(final String value) throws Exception {
        final JSONJAXBContext ctx = new JSONJAXBContext(
                JSONConfiguration.mapped().build(), Bean.class);
        final JSONMarshaller jm = ctx.createJSONMarshaller();
        final StringWriter sw = new StringWriter();
        final Writer w = new FilterWriter(sw) {
            @Override
            public void write(String str) throws IOException {
                if (str.contains(value))
                    throw new IOException();
                super.write(str);
            }
        };

        Bean b = new Bean("A", "B", "C");
        jm.marshallToJSON(b, w);
    }
}