Example usage for com.google.gson JsonDeserializationContext deserialize

Introduction

In this page you can find the example usage for com.google.gson JsonDeserializationContext deserialize.

Prototype

public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException;

Source Link

Document

Invokes default deserialization on the specified object.

Usage

From source file:org.apache.tajo.datum.json.DatumAdapter.java

License:Apache License

@Override
public Datum deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObject = json.getAsJsonObject();
    String className = jsonObject.get("classname").getAsJsonPrimitive().getAsString();

    Class clazz;//from w  ww  .  ja v a 2 s .  com
    try {
        clazz = Class.forName(className);
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
        throw new JsonParseException(e);
    }
    return context.deserialize(jsonObject.get("property"), clazz);
}

From source file:org.apache.tajo.engine.json.EvalNodeAdapter.java

License:Apache License

@Override
public EvalNode deserialize(JsonElement json, Type type, JsonDeserializationContext ctx)
        throws JsonParseException {
    JsonObject jsonObject = json.getAsJsonObject();
    String nodeName = jsonObject.get("type").getAsString();
    Class clazz = EvalType.valueOf(nodeName).getBaseClass();
    return ctx.deserialize(jsonObject.get("body"), clazz);
}

From source file:org.apache.tajo.engine.json.LogicalNodeAdapter.java

License:Apache License

@Override
public LogicalNode deserialize(JsonElement src, Type type, JsonDeserializationContext ctx)
        throws JsonParseException {
    JsonObject jsonObject = src.getAsJsonObject();
    String nodeName = jsonObject.get("type").getAsString();
    Class clazz = NodeType.valueOf(nodeName).getBaseClass();
    return ctx.deserialize(jsonObject.get("body"), clazz);
}

From source file:org.apache.tajo.json.DatumAdapter.java

License:Apache License

@Override
public Datum deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObject = json.getAsJsonObject();
    String typeName = CommonGsonHelper.getOrDie(jsonObject, "type").getAsString();
    TajoDataTypes.Type type = TajoDataTypes.Type.valueOf(typeName);
    switch (type) {
    case DATE://from  ww  w .j  a v a  2 s.co  m
        return new DateDatum(CommonGsonHelper.getOrDie(jsonObject, "value").getAsInt());
    case TIME:
        return new TimeDatum(CommonGsonHelper.getOrDie(jsonObject, "value").getAsLong());
    case TIMESTAMP:
        return new TimestampDatum(CommonGsonHelper.getOrDie(jsonObject, "value").getAsLong());
    case INTERVAL:
        String[] values = CommonGsonHelper.getOrDie(jsonObject, "value").getAsString().split(",");

        return new IntervalDatum(Integer.parseInt(values[0]), Long.parseLong(values[1]));
    default:
        return context.deserialize(CommonGsonHelper.getOrDie(jsonObject, "body"),
                DatumFactory.getDatumClass(TajoDataTypes.Type.valueOf(typeName)));
    }
}

From source file:org.apache.tajo.plan.serder.EvalNodeAdapter.java

License:Apache License

@Override
public EvalNode deserialize(JsonElement json, Type type, JsonDeserializationContext ctx)
        throws JsonParseException {
    JsonObject jsonObject = json.getAsJsonObject();
    String nodeName = CommonGsonHelper.getOrDie(jsonObject, "type").getAsString();
    Class clazz = EvalType.valueOf(nodeName).getBaseClass();
    return ctx.deserialize(jsonObject.get("body"), clazz);
}

From source file:org.apache.tajo.plan.serder.LogicalNodeAdapter.java

License:Apache License

@Override
public LogicalNode deserialize(JsonElement src, Type type, JsonDeserializationContext ctx)
        throws JsonParseException {
    JsonObject jsonObject = src.getAsJsonObject();
    String nodeName = CommonGsonHelper.getOrDie(jsonObject, "type").getAsString();
    Class clazz = NodeType.valueOf(nodeName).getBaseClass();
    return ctx.deserialize(jsonObject.get("body"), clazz);
}

From source file:org.apache.twill.internal.json.JvmOptionsCodec.java

License:Apache License

@Override
public JvmOptions deserialize(JsonElement json, Type type, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObj = json.getAsJsonObject();
    String extraOptions = context.deserialize(jsonObj.get("extraOptions"), String.class);
    JvmOptions.DebugOptions debugOptions = context.deserialize(jsonObj.get("debugOptions"),
            JvmOptions.DebugOptions.class);
    return new JvmOptions(extraOptions, debugOptions);
}

From source file:org.apache.twill.internal.json.LogEntryDecoder.java

License:Apache License

@Override
public LogEntry deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    if (!json.isJsonObject()) {
        return null;
    }// w w w .j a v  a 2  s  .  c o  m
    JsonObject jsonObj = json.getAsJsonObject();

    final String name = JsonUtils.getAsString(jsonObj, "name");
    final String host = JsonUtils.getAsString(jsonObj, "host");
    final long timestamp = JsonUtils.getAsLong(jsonObj, "timestamp", 0);
    final LogEntry.Level logLevel = LogEntry.Level.valueOf(JsonUtils.getAsString(jsonObj, "level"));
    final String className = JsonUtils.getAsString(jsonObj, "className");
    final String method = JsonUtils.getAsString(jsonObj, "method");
    final String file = JsonUtils.getAsString(jsonObj, "file");
    final String line = JsonUtils.getAsString(jsonObj, "line");
    final String thread = JsonUtils.getAsString(jsonObj, "thread");
    final String message = JsonUtils.getAsString(jsonObj, "message");
    final String runnableName = JsonUtils.getAsString(jsonObj, "runnableName");
    final LogThrowable logThrowable = context.deserialize(jsonObj.get("throwable"), LogThrowable.class);

    return new LogEntry() {
        @Override
        public String getLoggerName() {
            return name;
        }

        @Override
        public String getHost() {
            return host;
        }

        @Override
        public long getTimestamp() {
            return timestamp;
        }

        @Override
        public Level getLogLevel() {
            return logLevel;
        }

        @Override
        public String getSourceClassName() {
            return className;
        }

        @Override
        public String getSourceMethodName() {
            return method;
        }

        @Override
        public String getFileName() {
            return file;
        }

        @Override
        public int getLineNumber() {
            if (line.equals("?")) {
                return -1;
            } else {
                return Integer.parseInt(line);
            }
        }

        @Override
        public String getThreadName() {
            return thread;
        }

        @Override
        public String getMessage() {
            return message;
        }

        @Override
        public String getRunnableName() {
            return runnableName;
        }

        @Override
        public LogThrowable getThrowable() {
            return logThrowable;
        }

        @Override
        public StackTraceElement[] getStackTraces() {
            LogThrowable throwable = getThrowable();
            return (throwable == null) ? EMPTY_STACK_TRACES : throwable.getStackTraces();
        }
    };
}

From source file:org.apache.twill.internal.json.LogThrowableCodec.java

License:Apache License

@Override
public LogThrowable deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    return context.deserialize(json, DefaultLogThrowable.class);
}

From source file:org.apache.twill.internal.json.ResourceReportCodec.java

License:Apache License

@Override
public ResourceReport deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    JsonObject jsonObj = json.getAsJsonObject();
    String appMasterId = jsonObj.get("appMasterId").getAsString();
    TwillRunResources masterResources = context.deserialize(jsonObj.get("appMasterResources"),
            TwillRunResources.class);
    Map<String, Collection<TwillRunResources>> resources = context.deserialize(jsonObj.get("runnableResources"),
            new TypeToken<Map<String, Collection<TwillRunResources>>>() {
            }.getType());//from   w  ww.  java2 s. c om
    List<String> services = context.deserialize(jsonObj.get("services"), new TypeToken<List<String>>() {
    }.getType());

    return new DefaultResourceReport(appMasterId, masterResources, resources, services);
}