com.uber.network.JsonNode.java Source code

Introduction

Here is the source code for com.uber.network.JsonNode.java

Source

/**
UberAndroidNetwork: A JSON/XML network abstraction layer
Copyright (c) 2011 by Jordan Bonnet, Uber Technologies
    
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
    
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
    
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
 */

package com.uber.network;

import java.util.ArrayList;
import java.util.Iterator;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class JsonNode extends DataNode {

    private String mName;
    private Object mValue;

    public JsonNode(String name, Object value) {
        mName = name;
        mValue = value;
    }

    @Override
    public String getName() {
        return mName;
    }

    @Override
    public DataNode getNode(String name) {
        DataNode dataNode = null;
        try {
            if (mValue instanceof JSONObject) {
                dataNode = new JsonNode(name, ((JSONObject) mValue).get(name));
            }
        } catch (JSONException e) {
            dataNode = null;
        }
        return dataNode;
    }

    @Override
    public ArrayList<DataNode> getChildren() {
        final ArrayList<DataNode> dataNodes = new ArrayList<DataNode>();
        if (mValue instanceof JSONArray) {
            dataNodes.addAll(getArray());
        } else if (mValue instanceof JSONObject) {
            final JSONObject jsonObject = (JSONObject) mValue;
            final Iterator<?> keys = jsonObject.keys();
            while (keys.hasNext()) {
                final String key = (String) keys.next();
                final DataNode node = getNode(key);
                if (node != null) {
                    dataNodes.add(node);
                }
            }
        }
        return dataNodes;
    }

    @Override
    public ArrayList<DataNode> getArray() {
        final ArrayList<DataNode> dataNodes = new ArrayList<DataNode>();
        try {
            if (mValue instanceof JSONArray) {
                final JSONArray jsonArray = (JSONArray) mValue;
                for (int i = 0; i < jsonArray.length(); ++i) {
                    dataNodes.add(new JsonNode("", jsonArray.get(i)));
                }
            }
        } catch (JSONException e) {
            // Nothing else to do
        }
        return dataNodes;
    }

    @Override
    public String getString(String defaultString) {
        if (mValue != null) {
            return mValue.toString();
        }
        return defaultString;
    }

    @Override
    public int getInt(int defaultInt) {
        if (mValue instanceof Integer) {
            return ((Integer) mValue).intValue();
        } else if (mValue instanceof String) {
            try {
                return Integer.parseInt((String) mValue);
            } catch (NumberFormatException nfe) {
                return defaultInt;
            }
        }
        return defaultInt;
    }

    @Override
    public double getDouble(double defaultDouble) {
        if (mValue instanceof Double) {
            return ((Double) mValue).doubleValue();
        } else if (mValue instanceof Integer) {
            return ((Integer) mValue).doubleValue();
        } else if (mValue instanceof String) {
            try {
                return Double.parseDouble((String) mValue);
            } catch (NumberFormatException nfe) {
                return defaultDouble;
            }
        }
        return defaultDouble;
    }

    @Override
    public Long getLong(Long defaultLong) {
        if (mValue instanceof Long) {
            return ((Long) mValue).longValue();
        } else if (mValue instanceof Integer) {
            return ((Integer) mValue).longValue();
        } else if (mValue instanceof String) {
            try {
                return Long.parseLong((String) mValue);
            } catch (NumberFormatException nfe) {
                return defaultLong;
            }
        }
        return defaultLong;
    }

    @Override
    public Boolean getBoolean(Boolean defaultValue) {
        if (mValue instanceof Boolean) {
            return (Boolean) mValue;
        }

        return defaultValue;
    }
}