Package com.fasterxml.jackson.core.io

Examples of com.fasterxml.jackson.core.io.JsonStringEncoder

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    public String toString() {
        return StringUtil.simpleClassName(this) + "[messages=" + messages + ']';
    }

    private static ByteBuf generateContent(final List<String> messages) {
        final JsonStringEncoder jsonEndocder = new JsonStringEncoder();
        final ByteBuf content = Unpooled.buffer();
        content.writeByte('a').writeByte('[');
        final int size = messages.size();
        for (int i = 0; i < size; i++) {
            content.writeByte('"');
            final String element = messages.get(i);
            if (element == null) {
                messages.subList(i, size).clear();
                break;
            }
            final String escaped = escapeCharacters(jsonEndocder.quoteAsString(element));
            final ByteBuf escapedBuf = Unpooled.copiedBuffer(escaped, CharsetUtil.UTF_8);
            content.writeBytes(escapedBuf).writeByte('"');
            escapedBuf.release();
            if (i < size - 1) {
                content.writeByte(',');
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public class TestJsonStringEncoder
    extends com.fasterxml.jackson.core.BaseTest
{
    public void testQuoteAsString() throws Exception
    {
        JsonStringEncoder encoder = new JsonStringEncoder();
        char[] result = encoder.quoteAsString("foobar");
        assertArrayEquals("foobar".toCharArray(), result);
        result = encoder.quoteAsString("\"x\"");
        assertArrayEquals("\\\"x\\\"".toCharArray(), result);
    }
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    }

    // For [JACKSON-853]
    public void testQuoteLongAsString() throws Exception
    {
        JsonStringEncoder encoder = new JsonStringEncoder();
        StringBuilder sb = new StringBuilder();
        StringBuilder sb2 = new StringBuilder();
        for (int i = 0; i < 1111; ++i) {
            sb.append('"');
            sb2.append("\\\"");
        }
        String input = sb.toString();
        String exp = sb2.toString();
        char[] result = encoder.quoteAsString(input);
        assertEquals(2*input.length(), result.length);
        assertEquals(exp, new String(result));
       
    }
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    public void testQuoteAsUTF8() throws Exception
    {
        // In this case, let's actually use existing JsonGenerator to produce expected values
        JsonFactory f = new JsonFactory();
        JsonStringEncoder encoder = new JsonStringEncoder();
        int[] lengths = new int[] {
            5, 19, 200, 7000, 21000, 37000
        };
        for (int length : lengths) {
            String str = generateRandom(length);
            StringWriter sw = new StringWriter(length*2);
            JsonGenerator jgen = f.createGenerator(sw);
            jgen.writeString(str);
            jgen.close();
            String encoded = sw.toString();
            // ok, except need to remove surrounding quotes
            encoded = encoded.substring(1, encoded.length() - 1);
            byte[] expected = encoded.getBytes("UTF-8");
            byte[] actual = encoder.quoteAsUTF8(str);
            assertArrayEquals(expected, actual);
        }
    }
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        }
    }

    public void testEncodeAsUTF8() throws Exception
    {
        JsonStringEncoder encoder = new JsonStringEncoder();
        String[] strings = new String[] {
                "a", "foobar", "p\u00f6ll\u00f6", "\"foo\"",
                generateRandom(200),
                generateRandom(5000),
                generateRandom(39000)
        };
        for (String str : strings) {
            assertArrayEquals(str.getBytes("UTF-8"), encoder.encodeAsUTF8(str));
        }
    }
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Related Classes of com.fasterxml.jackson.core.io.JsonStringEncoder

  • com.fasterxml.jackson.core.io.TestJsonStringEncoder
  • com.fasterxml.jackson.core.util.ByteArrayBuilder
  • com.fasterxml.jackson.core.util.TextBuffer
  • org.jboss.aerogear.io.netty.handler.codec.sockjs.protocol.MessageFrame
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