Example usage for com.google.gson JsonElement isJsonObject

List of usage examples for com.google.gson JsonElement isJsonObject

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Introduction

In this page you can find the example usage for com.google.gson JsonElement isJsonObject.

Prototype

public boolean isJsonObject()

Source Link

Document

provides check for verifying if this element is a Json object or not.

Usage

From source file:com.google.wave.api.RobotSerializer.java

License:Apache License

/**
 * Validates that the incoming JSON is a JSON object that represents a
 * JSON-RPC request./*from   w  ww . j  a v  a  2  s.  c  o  m*/
 *
 * @param jsonElement the incoming JSON.
 * @throws InvalidRequestException if the incoming JSON does not have the
 *     required properties.
 */
private static void validate(JsonElement jsonElement) throws InvalidRequestException {
    if (!jsonElement.isJsonObject()) {
        throw new InvalidRequestException("The incoming JSON is not a JSON object: " + jsonElement);
    }

    JsonObject jsonObject = jsonElement.getAsJsonObject();

    StringBuilder missingProperties = new StringBuilder();
    for (RequestProperty requestProperty : RequestProperty.values()) {
        if (!jsonObject.has(requestProperty.key())) {
            missingProperties.append(requestProperty.key());
        }
    }

    if (missingProperties.length() > 0) {
        throw new InvalidRequestException(
                "Missing required properties " + missingProperties + "operation: " + jsonObject);
    }
}

From source file:com.googleapis.ajax.services.impl.BaseGoogleSearchApiQuery.java

License:Apache License

@Override
public PagedList<T> list() {
    InputStream jsonContent = null;
    try {//from  w w w .j  a v a 2  s .co m
        jsonContent = callApiGet(apiUrlBuilder.buildUrl());
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            PagedList<T> responseList = unmarshallList(response.getAsJsonObject());
            notifyObservers(responseList);
            return responseList;
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.BaseGoogleSearchApiQuery.java

License:Apache License

@Override
public T singleResult() {
    InputStream jsonContent = null;
    try {//from  w w  w .j a va2 s . com
        jsonContent = callApiGet(apiUrlBuilder.buildUrl());
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            JsonObject json = response.getAsJsonObject();
            int status = json.get("responseStatus").getAsInt();
            if (status != 200) {
                throw new GoogleSearchException(json.get("responseDetails").getAsString());
            }
            JsonElement data = json.get("responseData");
            if (data != null) {
                return unmarshall(data);
            }
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.FindFeedQueryImpl.java

License:Apache License

@Override
public FindFeedResult singleResult() {
    InputStream jsonContent = null;
    try {/*from w ww.j  av a  2 s  .c o  m*/
        jsonContent = callApiGet(apiUrlBuilder.buildUrl());
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            JsonObject json = response.getAsJsonObject();
            int status = json.get("responseStatus").getAsInt();
            if (status != 200) {
                throw new GoogleSearchException(json.get("responseDetails").getAsString());
            }
            JsonElement data = json.get("responseData");
            if (data != null) {
                return unmarshall(data);
            }
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.LoadFeedQueryImpl.java

License:Apache License

@Override
public LoadFeedResult singleResult() {
    InputStream jsonContent = null;
    try {//from  w w w . j  a  v a2 s .c  om
        jsonContent = callApiGet(apiUrlBuilder.buildUrl());
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            JsonObject json = response.getAsJsonObject();
            int status = json.get("responseStatus").getAsInt();
            if (status != 200) {
                throw new GoogleSearchException(json.get("responseDetails").getAsString());
            }
            JsonElement data = json.get("responseData");
            if (data != null) {
                return unmarshall(data.getAsJsonObject().get("feed"));
            }
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.LookupFeedQueryImpl.java

License:Apache License

@Override
public LookupFeedResult singleResult() {
    InputStream jsonContent = null;
    try {//from  w ww . j a v  a 2s .c  o m
        jsonContent = callApiGet(apiUrlBuilder.buildUrl());
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            JsonObject json = response.getAsJsonObject();
            int status = json.get("responseStatus").getAsInt();
            if (status != 200) {
                throw new GoogleSearchException(json.get("responseDetails").getAsString());
            }
            JsonElement data = json.get("responseData");
            if (data != null) {
                return unmarshall(data);
            }
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.TranslateLanguageQueryImpl.java

License:Apache License

@Override
public PagedList<TranslateLanguageResult> list() {
    InputStream jsonContent = null;
    try {/* w  w w . j  a v  a 2  s  .  c  o m*/
        jsonContent = callApiPost(apiUrlBuilder.buildUrl(), parameters);
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            PagedList<TranslateLanguageResult> responseList = unmarshallList(response.getAsJsonObject());
            notifyObservers(responseList);
            return responseList;
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.TranslateLanguageQueryImpl.java

License:Apache License

@Override
public TranslateLanguageResult singleResult() {
    InputStream jsonContent = null;
    try {// w  w w . ja v a  2s. c  o  m
        jsonContent = callApiPost(apiUrlBuilder.buildUrl(), parameters);
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            JsonObject json = response.getAsJsonObject();
            int status = json.get("responseStatus").getAsInt();
            if (status != 200) {
                throw new GoogleSearchException(json.get("responseDetails").getAsString());
            }
            JsonElement data = json.get("responseData");
            if (data != null) {
                return unmarshall(data);
            }
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}

From source file:com.googleapis.ajax.services.impl.TranslateLanguageQueryImpl.java

License:Apache License

/**
 * Unmarshall list.//from   w  w w .ja  v a 2s. c om
 * 
 * @param response the response
 * 
 * @return the paged list< t>
 */
protected PagedList<TranslateLanguageResult> unmarshallList(JsonObject response) {
    int status = response.get("responseStatus").getAsInt();
    if (status != 200) {
        throw new GoogleSearchException(String.valueOf(response.get("responseDetails").getAsString()));
    }
    JsonArray dataArray = response.get("responseData").getAsJsonArray();
    PagedArrayList<TranslateLanguageResult> list = new PagedArrayList<TranslateLanguageResult>();
    if (dataArray != null) {
        for (JsonElement element : dataArray) {
            if (element.isJsonObject()) {
                JsonObject json = element.getAsJsonObject();
                status = json.get("responseStatus").getAsInt();
                if (status != 200) {
                    throw new GoogleSearchException(json.get("responseDetails").getAsString());
                }
                JsonElement data = json.get("responseData");
                if (data != null) {
                    list.add(unmarshall(data));
                }
            }
        }
    }
    return list;
}

From source file:com.googleapis.ajax.services.impl.TransliterateLanguageQueryImpl.java

License:Apache License

@Override
public PagedList<TransliterateLanguageResult> list() {
    InputStream jsonContent = null;
    try {/*from w  w  w . java2s . c om*/
        jsonContent = callApiGet(apiUrlBuilder.buildUrl());
        JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET));
        if (response.isJsonObject()) {
            PagedList<TransliterateLanguageResult> responseList = unmarshallList(response.getAsJsonObject());
            notifyObservers(responseList);
            return responseList;
        }
        throw new GoogleSearchException("Unknown content found in response:" + response.toString());
    } catch (Exception e) {
        throw new GoogleSearchException(e);
    } finally {
        closeStream(jsonContent);
    }
}