Package com.fasterxml.jackson.databind.util

Examples of com.fasterxml.jackson.databind.util.ObjectBuffer

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        }
        if (_elementDeserializer != null) {
            return _deserializeCustom(jp, ctxt);
        }

        final ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] chunk = buffer.resetAndStart();
       
        int ix = 0;
        JsonToken t;
       
        while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
            // Ok: no need to convert Strings, but must recognize nulls
            String value;
            if (t == JsonToken.VALUE_STRING) {
                value = jp.getText();
            } else if (t == JsonToken.VALUE_NULL) {
                value = null; // since we have established that '_elementDeserializer == null' earlier
            } else {
                value = _parseString(jp, ctxt);
            }
            if (ix >= chunk.length) {
                chunk = buffer.appendCompletedChunk(chunk);
                ix = 0;
            }
            chunk[ix++] = value;
        }
        String[] result = buffer.completeAndClearBuffer(chunk, ix, String.class);
        ctxt.returnObjectBuffer(buffer);
        return result;
    }
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    /**
     * Offlined version used when we do not use the default deserialization method.
     */
    protected final String[] _deserializeCustom(JsonParser jp, DeserializationContext ctxt) throws IOException
    {
        final ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] chunk = buffer.resetAndStart();
        final JsonDeserializer<String> deser = _elementDeserializer;
       
        int ix = 0;
        JsonToken t;
       
        while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
            // Ok: no need to convert Strings, but must recognize nulls
            String value = (t == JsonToken.VALUE_NULL) ? deser.getNullValue() : deser.deserialize(jp, ctxt);
            if (ix >= chunk.length) {
                chunk = buffer.appendCompletedChunk(chunk);
                ix = 0;
            }
            chunk[ix++] = value;
        }
        String[] result = buffer.completeAndClearBuffer(chunk, ix, String.class);
        ctxt.returnObjectBuffer(buffer);
        return result;
    }
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        // Ok: must point to START_ARRAY (or equivalent)
        if (!jp.isExpectedStartArrayToken()) {
            return handleNonArray(jp, ctxt);
        }

        final ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] chunk = buffer.resetAndStart();
        int ix = 0;
        JsonToken t;
        final TypeDeserializer typeDeser = _elementTypeDeserializer;

        while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
            // Note: must handle null explicitly here; value deserializers won't
            Object value;
           
            if (t == JsonToken.VALUE_NULL) {
                value = _elementDeserializer.getNullValue();
            } else if (typeDeser == null) {
                value = _elementDeserializer.deserialize(jp, ctxt);
            } else {
                value = _elementDeserializer.deserializeWithType(jp, ctxt, typeDeser);
            }
            if (ix >= chunk.length) {
                chunk = buffer.appendCompletedChunk(chunk);
                ix = 0;
            }
            chunk[ix++] = value;
        }

        Object[] result;

        if (_untyped) {
            result = buffer.completeAndClearBuffer(chunk, ix);
        } else {
            result = buffer.completeAndClearBuffer(chunk, ix, _elementClass);
        }
        ctxt.returnObjectBuffer(buffer);
        return result;
    }
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            ArrayList<Object> l = new ArrayList<Object>(2);
            l.add(value);
            l.add(value2);
            return l;
        }
        ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] values = buffer.resetAndStart();
        int ptr = 0;
        values[ptr++] = value;
        values[ptr++] = value2;
        int totalSize = ptr;
        do {
            value = deserialize(jp, ctxt);
            ++totalSize;
            if (ptr >= values.length) {
                values = buffer.appendCompletedChunk(values);
                ptr = 0;
            }
            values[ptr++] = value;
        } while (jp.nextToken() != JsonToken.END_ARRAY);
        // let's create full array then
        ArrayList<Object> result = new ArrayList<Object>(totalSize);
        buffer.completeAndClearBuffer(values, ptr, result);
        return result;
    }
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    {
        // Minor optimization to handle small lists (default size for ArrayList is 10)
        if (jp.nextToken()  == JsonToken.END_ARRAY) {
            return NO_OBJECTS;
        }
        ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] values = buffer.resetAndStart();
        int ptr = 0;
        do {
            Object value = deserialize(jp, ctxt);
            if (ptr >= values.length) {
                values = buffer.appendCompletedChunk(values);
                ptr = 0;
            }
            values[ptr++] = value;
        } while (jp.nextToken() != JsonToken.END_ARRAY);
        return buffer.completeAndClearBuffer(values, ptr);
    }
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                ArrayList<Object> l = new ArrayList<Object>(2);
                l.add(value);
                l.add(value2);
                return l;
            }
            ObjectBuffer buffer = ctxt.leaseObjectBuffer();
            Object[] values = buffer.resetAndStart();
            int ptr = 0;
            values[ptr++] = value;
            values[ptr++] = value2;
            int totalSize = ptr;
            do {
                value = deserialize(jp, ctxt);
                ++totalSize;
                if (ptr >= values.length) {
                    values = buffer.appendCompletedChunk(values);
                    ptr = 0;
                }
                values[ptr++] = value;
            } while (jp.nextToken() != JsonToken.END_ARRAY);
            // let's create full array then
            ArrayList<Object> result = new ArrayList<Object>(totalSize);
            buffer.completeAndClearBuffer(values, ptr, result);
            return result;
        }
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        /**
         * Method called to map a JSON Array into a Java Object array (Object[]).
         */
        protected Object[] mapArrayToArray(JsonParser jp, DeserializationContext ctxt) throws IOException {
            ObjectBuffer buffer = ctxt.leaseObjectBuffer();
            Object[] values = buffer.resetAndStart();
            int ptr = 0;
            do {
                Object value = deserialize(jp, ctxt);
                if (ptr >= values.length) {
                    values = buffer.appendCompletedChunk(values);
                    ptr = 0;
                }
                values[ptr++] = value;
            } while (jp.nextToken() != JsonToken.END_ARRAY);
            return buffer.completeAndClearBuffer(values, ptr);
        }
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     * Note that leased buffers should be returned once deserializer
     * is done, to allow for reuse during same round of deserialization.
     */
    public final ObjectBuffer leaseObjectBuffer()
    {
        ObjectBuffer buf = _objectBuffer;
        if (buf == null) {
            buf = new ObjectBuffer();
        } else {
            _objectBuffer = null;
        }
        return buf;
    }
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        // }
        // Minor optimization to handle small lists (default size for ArrayList is 10)
        if (jp.nextToken() == JsonToken.END_ARRAY) {
            return RubyArray.newArray(_ruby);
        }
        ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] values = buffer.resetAndStart();
        int ptr = 0;
        long totalSize = 0;
        do {
            Object value = deserialize(jp, ctxt);
            ++totalSize;
            if (ptr >= values.length) {
                values = buffer.appendCompletedChunk(values);
                ptr = 0;
            }
            values[ptr++] = value;
        } while (jp.nextToken() != JsonToken.END_ARRAY);
        // let's create almost full array, with 1/8 slack
        RubyArray result = RubyArray.newArray(_ruby, (totalSize + (totalSize >> 3) + 1));
        buffer.completeAndClearBuffer(values, ptr, result);
        return result;
    }
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        // Ok: must point to START_ARRAY (or equivalent)
        if (!jp.isExpectedStartArrayToken()) {
            return handleNonArray(jp, ctxt);
        }

        final ObjectBuffer buffer = ctxt.leaseObjectBuffer();
        Object[] chunk = buffer.resetAndStart();
        int ix = 0;
        JsonToken t;
        final TypeDeserializer typeDeser = _elementTypeDeserializer;

        try {
            while ((t = jp.nextToken()) != JsonToken.END_ARRAY) {
                // Note: must handle null explicitly here; value deserializers won't
                Object value;
               
                if (t == JsonToken.VALUE_NULL) {
                    value = _elementDeserializer.getNullValue();
                } else if (typeDeser == null) {
                    value = _elementDeserializer.deserialize(jp, ctxt);
                } else {
                    value = _elementDeserializer.deserializeWithType(jp, ctxt, typeDeser);
                }
                if (ix >= chunk.length) {
                    chunk = buffer.appendCompletedChunk(chunk);
                    ix = 0;
                }
                chunk[ix++] = value;
            }
        } catch (Exception e) {
            throw JsonMappingException.wrapWithPath(e, chunk, buffer.bufferedSize() + ix);
        }

        Object[] result;

        if (_untyped) {
            result = buffer.completeAndClearBuffer(chunk, ix);
        } else {
            result = buffer.completeAndClearBuffer(chunk, ix, _elementClass);
        }
        ctxt.returnObjectBuffer(buffer);
        return result;
    }
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Related Classes of com.fasterxml.jackson.databind.util.ObjectBuffer

  • com.addthis.codec.jackson.IndexReportingObjectArrayDeserializer
  • com.fasterxml.jackson.databind.deser.std.ObjectArrayDeserializer
  • com.fasterxml.jackson.databind.deser.std.PrimitiveArrayDeserializers$StringDeser
  • com.fasterxml.jackson.databind.deser.std.StringArrayDeserializer
  • com.fasterxml.jackson.databind.deser.std.UntypedObjectDeserializer
  • com.fasterxml.jackson.databind.deser.std.UntypedObjectDeserializer$Vanilla
  • com.fasterxml.jackson.databind.DeserializationContext
  • com.jrjackson.RubyObjectDeserializer
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