• Home
• co.elastic.clients
• elasticsearch-java
• 8.2.0
• source code
• JacksonJsonpGenerator.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

co.elastic.clients.json.jackson.JacksonJsonpGenerator Maven / Gradle / Ivy

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. 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 co.elastic.clients.json.jackson;

import com.fasterxml.jackson.core.JsonStreamContext;
import jakarta.json.JsonNumber;
import jakarta.json.JsonString;
import jakarta.json.JsonValue;
import jakarta.json.stream.JsonGenerationException;
import jakarta.json.stream.JsonGenerator;

import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Map;

/**
 * A JSONP generator implementation on top of Jackson.
 */
public class JacksonJsonpGenerator implements JsonGenerator {

    private final com.fasterxml.jackson.core.JsonGenerator generator;

    public JacksonJsonpGenerator(com.fasterxml.jackson.core.JsonGenerator generator) {
        this.generator = generator;
    }

    /**
     * Returns the underlying Jackson generator.
     */
    public com.fasterxml.jackson.core.JsonGenerator jacksonGenerator() {
        return generator;
    }

    @Override
    public JsonGenerator writeStartObject() {
        try {
            generator.writeStartObject();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeStartObject(String name) {
        try {
            generator.writeFieldName(name);
            generator.writeStartObject();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeStartArray() {
        try {
            generator.writeStartArray();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeStartArray(String name) {
        try {
            generator.writeFieldName(name);
            generator.writeStartArray();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeKey(String name) {
        try {
            generator.writeFieldName(name);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, JsonValue value) {
        try {
            generator.writeFieldName(name);
            writeValue(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, String value) {
        try {
            generator.writeFieldName(name);
            generator.writeString(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, BigInteger value) {
        try {
            generator.writeFieldName(name);
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, BigDecimal value) {
        try {
            generator.writeFieldName(name);
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, int value) {
        try {
            generator.writeFieldName(name);
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, long value) {
        try {
            generator.writeFieldName(name);
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, double value) {
        try {
            generator.writeFieldName(name);
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String name, boolean value) {
        try {
            generator.writeFieldName(name);
            generator.writeBooleanField(name, value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeNull(String name) {
        try {
            generator.writeFieldName(name);
            generator.writeNull();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeEnd() {
        try {
            JsonStreamContext ctx = generator.getOutputContext();
            if (ctx.inObject()) {
                generator.writeEndObject();
            } else if (ctx.inArray()) {
                generator.writeEndArray();
            } else {
                throw new JsonGenerationException("Unexpected context: '" + ctx.typeDesc() + "'");
            }
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(JsonValue value) {
        try {
            writeValue(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(String value) {
        try {
            generator.writeString(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(BigDecimal value) {
        try {
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(BigInteger value) {
        try {
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(int value) {
        try {
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(long value) {
        try {
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(double value) {
        try {
            generator.writeNumber(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator write(boolean value) {
        try {
            generator.writeBoolean(value);
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public JsonGenerator writeNull() {
        try {
            generator.writeNull();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
        return this;
    }

    @Override
    public void close() {
        try {
            generator.close();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
    }

    @Override
    public void flush() {
        try {
            generator.flush();
        } catch (IOException e) {
            throw JacksonUtils.convertException(e);
        }
    }

    private void writeValue(JsonValue value) throws IOException {
        switch(value.getValueType()) {
            case OBJECT:
                generator.writeStartObject();
                for (Map.Entry entry: value.asJsonObject().entrySet()) {
                    generator.writeFieldName(entry.getKey());
                    writeValue(entry.getValue());
                }
                generator.writeEndObject();
                break;

            case ARRAY:
                generator.writeStartArray();
                for (JsonValue item: value.asJsonArray()) {
                    writeValue(item);
                }
                generator.writeEndArray();
                break;

            case STRING:
                generator.writeString(((JsonString)value).getString());
                break;

            case FALSE:
                generator.writeBoolean(false);
                break;

            case TRUE:
                generator.writeBoolean(true);
                break;

            case NULL:
                generator.writeNull();
                break;

            case NUMBER:
                JsonNumber n = (JsonNumber) value;
                if (n.isIntegral()) {
                    generator.writeNumber(n.longValue());
                } else {
                    generator.writeNumber(n.doubleValue());
                }
                break;
        }
    }
}