Examples of org.apache.wink.json4j.JSONWriter.key()

org.apache.wink.json4j.JSONWriter.key()
Place a key in the current JSON Object. @throws IOException Thrown if an IO error occurs on the underlying writer. @throws IllegalStateException Thrown if the current writer position is not within an object. @return A reference to this writer.

        Exception ex = null;
        try{
            StringWriter w = new StringWriter();
            JSONWriter jWriter = new JSONWriter(w);
            jWriter.object();
            jWriter.key("foo");


            // Verify we can put a JSONObject into the stream!
            JSONArray jArray = new JSONArray();
            jArray.put(true);
            jWriter.value(jArray);

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        Exception ex = null;
        try{
            StringWriter w = new StringWriter();
            JSONWriter jWriter = new JSONWriter(w);
            jWriter.object();
            jWriter.key("string");
            jWriter.value("String1");
            jWriter.key("bool");
            jWriter.value(false);
            jWriter.key("number");
            jWriter.value(1);

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            StringWriter w = new StringWriter();
            JSONWriter jWriter = new JSONWriter(w);
            jWriter.object();
            jWriter.key("string");
            jWriter.value("String1");
            jWriter.key("bool");
            jWriter.value(false);
            jWriter.key("number");
            jWriter.value(1);


            // Place an object

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            jWriter.object();
            jWriter.key("string");
            jWriter.value("String1");
            jWriter.key("bool");
            jWriter.value(false);
            jWriter.key("number");
            jWriter.value(1);


            // Place an object
            jWriter.key("object");
            jWriter.object();

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            jWriter.value(false);
            jWriter.key("number");
            jWriter.value(1);


            // Place an object
            jWriter.key("object");
            jWriter.object();
            jWriter.key("string");
            jWriter.value("String2");
            jWriter.endObject();

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            jWriter.value(1);


            // Place an object
            jWriter.key("object");
            jWriter.object();
            jWriter.key("string");
            jWriter.value("String2");
            jWriter.endObject();


            // Place an array
            jWriter.key("array");

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            jWriter.key("string");
            jWriter.value("String2");
            jWriter.endObject();


            // Place an array
            jWriter.key("array");
            jWriter.array();
            jWriter.value(1);
            jWriter.value((double)2);
            jWriter.value((short)3);
            jWriter.endArray();

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            jWriter.value(false);
            jWriter.value(1);


            // Place an object
            jWriter.object();
            jWriter.key("string");
            jWriter.value("String2");
            jWriter.endObject();


            // Place an array
            jWriter.array();

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        Exception ex = null;
        try{
            StringWriter w = new StringWriter();
            JSONWriter jWriter = new JSONWriter(w);
            jWriter.object();
            jWriter.key("foo");
            jWriter.value(true);
            
            // This should die with IllegalStateException...
            jWriter.value(false);
            jWriter.endObject();

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        try{
            StringWriter w = new StringWriter();
            JSONWriter jWriter = new JSONWriter(w);
            
            // This should die.
            jWriter.key("foo");
        }catch(Exception ex1){
            ex = ex1;
        }
        assertTrue(ex instanceof IllegalStateException);
    }

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