Application: gvSIG desktop » Library: org.gvsig.tools

import com.jayway.jsonpath.JsonPath;

    @Override

    public JsonPathContext createJSonPathContext(JsonStructure jsonObject) {

        return new JsonPathContextImpl(this, jsonObject);

    }

    @Override

    public JsonPathContext createJSonPathContext(String jsonObject) {

        return new JsonPathContextImpl(this, jsonObject);

    }

/*

 * gvSIG. Desktop Geographic Information System.

 * 

 * Copyright (C) 2007-2020 gvSIG Association.

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 * 

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License 

 * along with this program. If not, see <https://www.gnu.org/licenses/>. 

 * 

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.json;

import com.jayway.jsonpath.JsonPath;

import com.jayway.jsonpath.ReadContext;

import java.sql.Date;

import java.sql.Time;

import java.sql.Timestamp;

import javax.json.JsonArray;

import javax.json.JsonObject;

import javax.json.JsonStructure;

import org.gvsig.tools.dataTypes.DataTypeUtils;

/**

 *

 * @author gvSIG Team

 */

public class JsonPathContextImpl implements JsonPathContext {

    // 

    // https://github.com/json-path/JsonPath

    //

    private JsonStructure jsonObject;

    private String json;

    private ReadContext context;

    private final JsonManager manager;

    public JsonPathContextImpl(JsonManager manager) {

        this.manager = manager;

        this.jsonObject = null;

        this.context = null;

    }

    public JsonPathContextImpl(JsonManager manager, JsonStructure jsonObject) {

        this(manager);

        this.jsonObject = jsonObject;

        this.json = jsonObject.toString();

        if( this.jsonObject!=null ) {

            this.context = JsonPath.parse(json);

        }

    }

    public JsonPathContextImpl(JsonManager manager, String json) {

        this(manager);

        this.jsonObject = null;

        this.json = json;

        if( this.json!=null ) {

            this.context = JsonPath.parse(json);

        }

    }

    @Override

    public JsonStructure getJsonObject() {

        if( this.jsonObject ==null ) {

            if( json != null ) {

                this.jsonObject = this.manager.createObject(json);

            }

        }

        return this.jsonObject;

    }

    @Override

    public void setJsonObject(JsonStructure jsonObject) {

        this.jsonObject = jsonObject;

        if( this.jsonObject!=null ) {

            this.context = JsonPath.parse(jsonObject.toString());

        }

    }

    @Override

    public Object get(String path) {

        Object r = this.context.read(path);

        return r;

    }

    @Override

    public int getInt(String path, int defaultValue) {

        Object r = this.context.read(path);

        if( r == null ) {

            return defaultValue;

        }

        if( r instanceof Number ) {

            return ((Number)r).intValue();

        }

        return DataTypeUtils.toInteger(r, defaultValue);

    }

    @Override

    public long getLong(String path, long defaultValue) {

        Object r = this.context.read(path);

        if( r == null ) {

            return defaultValue;

        }

        if( r instanceof Number ) {

            return ((Number)r).longValue();

        }

        return DataTypeUtils.toLong(r, defaultValue);

    }

    @Override

    public double getDouble(String path, double defaultValue) {

        Object r = this.context.read(path);

        if( r == null ) {

            return defaultValue;

        }

        if( r instanceof Number ) {

            return ((Number)r).doubleValue();

        }

        return DataTypeUtils.toDouble(r, defaultValue);

    }

    @Override

    public float getFloat(String path, float defaultValue) {

        Object r = this.context.read(path);

        if( r == null ) {

            return defaultValue;

        }

        if( r instanceof Number ) {

            return ((Number)r).floatValue();

        }

        return DataTypeUtils.toFloat(r, defaultValue);

    }

    @Override

    public Date getDate(String path) {

        Object r = this.context.read(path);

        if( r == null ) {

            return null;

        }

        if( r instanceof Date ) {

            return (Date) r;

        }

        return (Date) DataTypeUtils.toDate(r);

    }

    @Override

    public Time getTime(String path) {

        Object r = this.context.read(path);

        if( r == null ) {

            return null;

        }

        if( r instanceof Time ) {

            return (Time) r;

        }

        return (Time) DataTypeUtils.toTime(r);

    }

    @Override

    public Timestamp getTimestamp(String path) {

        Object r = this.context.read(path);

        if( r == null ) {

            return null;

        }

        if( r instanceof Timestamp ) {

            return (Timestamp) r;

        }

        return (Timestamp) DataTypeUtils.toTimestamp(r);

    }

    @Override

    public JsonObject getJsonObject(String path) {

        Object r = this.context.read(path);

        if( r == null ) {

            return null;

        }

        return this.manager.createObject(r.toString());

    }

    @Override

    public JsonArray getJsonArray(String path) {

        Object r = this.context.read(path);

        if( r == null ) {

            return null;

        }

        return this.manager.createArray(r.toString());

    }

}

    <dependency>

        <groupId>com.jayway.jsonpath</groupId>

        <artifactId>json-path</artifactId>

        <version>2.4.0</version>

        <scope>compile</scope>

    </dependency>

    <!--    <dependency>

    public static JsonPathContext createJsonPathContext(JsonStructure jsonObject) {

        JsonManager manager = ToolsUtilLocator.getJsonManager();

        JsonPathContext context = manager.createJSonPathContext(jsonObject);

        return context;

    }

    public static JsonPathContext createJsonPathContext(String jsonObject) {

        JsonManager manager = ToolsUtilLocator.getJsonManager();

        JsonPathContext context = manager.createJSonPathContext(jsonObject);

        return context;

    }

/*

 * gvSIG. Desktop Geographic Information System.

 * 

 * Copyright (C) 2007-2020 gvSIG Association.

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 * 

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License 

 * along with this program. If not, see <https://www.gnu.org/licenses/>. 

 * 

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.json;

import java.sql.Date;

import java.sql.Time;

import java.sql.Timestamp;

import javax.json.JsonArray;

import javax.json.JsonObject;

import javax.json.JsonStructure;

/**

 *

 * @author gvSIG Team

 */

public interface JsonPathContext {

    public JsonStructure getJsonObject();

    public void setJsonObject(JsonStructure json);

    public Object get(String path);

    public int getInt(String path, int defaultValue);

    public long getLong(String path, long defaultValue);

    public double getDouble(String path, double defaultValue);

    public float getFloat(String path, float defaultValue);

    public Date getDate(String path);

    public Time getTime(String path);

    public Timestamp getTimestamp(String path);

    public JsonObject getJsonObject(String path);

    public JsonArray getJsonArray(String path);

}

    public JsonPathContext createJSonPathContext(JsonStructure jsonObject);

    public JsonPathContext createJSonPathContext(String json);