Examples of com.amazonaws.util.json.JSONObject

com.amazonaws.util.json.JSONObject
A JSONObject is an unordered collection of name/value pairs. Its external form is a string wrapped in curly braces with colons between the names and values, and commas between the values and names. The internal form is an object having get and opt methods for accessing the values by name, and put methods for adding or replacing values by name. The values can be any of these types: Boolean, JSONArray, JSONObject, Number, String, or the JSONObject.NULL object. A JSONObject constructor can be used to convert an external form JSON text into an internal form whose values can be retrieved with the get and opt methods, or to convert values into a JSON text using the put and toString methods. A get method returns a value if one can be found, and throws an exception if one cannot be found. An opt method returns a default value instead of throwing an exception, and so is useful for obtaining optional values.
The generic get() and opt() methods return an object, which you can cast or query for type. There are also typed get and opt methods that do type checking and type coercion for you.
The put methods adds values to an object. For example,
```
 myString = new JSONObject().put("JSON", "Hello, World!").toString();
```
produces the string {"JSON": "Hello, World"}.
The texts produced by the toString methods strictly conform to the JSON syntax rules. The constructors are more forgiving in the texts they will accept:
- An extra , (comma) may appear just before the closing brace.
- Strings may be quoted with ' (single quote).
- Strings do not need to be quoted at all if they do not begin with a quote or single quote, and if they do not contain leading or trailing spaces, and if they do not contain any of these characters: { } [ ] / \ : , = ; # and if they do not look like numbers and if they are not the reserved words true, false, or null.
- Keys can be followed by = or => as well as by :.
- Values can be followed by ; (semicolon) as well as by , (comma).
- Numbers may have the 0x- (hex) prefix.
@version 2010-05-17

    private static Map<String, String> convertJSONToMap(String descriptionJSONString) {
        if (descriptionJSONString == null) {
            return null;
        }
        try {
            JSONObject descriptionJSON = new JSONObject(descriptionJSONString);
            Iterator<String> keysIterator = descriptionJSON.keys();
            Map<String, String> materialsDescription = new HashMap<String, String>();
            while(keysIterator.hasNext()) {
                String key = keysIterator.next();
                materialsDescription.put(key, descriptionJSON.getString(key));
            }
            return materialsDescription;
        } catch (JSONException e) {
            throw new AmazonClientException("Unable to parse encryption materials description from metadata :" + e.getMessage());
        }

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        // Put the cipher initialization vector (IV) into the object metadata
        metadata.addUserMetadata(Headers.CRYPTO_IV,
                Base64.encodeAsString(symmetricCipher.getIV()));


        // Put the materials description into the object metadata as JSON
        JSONObject descriptionJSON = new JSONObject(materialsDescription);
        metadata.addUserMetadata(Headers.MATERIALS_DESCRIPTION, descriptionJSON.toString());
    }

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     * Returns a JSONObject representation of the instruction object.
     * @deprecated no longer used and will be removed in the future
     */
    @Deprecated
    private static JSONObject convertInstructionToJSONObject(EncryptionInstruction instruction) {
        JSONObject instructionJSON = new JSONObject();
        try {
            JSONObject materialsDescriptionJSON = new JSONObject(
                    instruction.getMaterialsDescription());
            instructionJSON.put(Headers.MATERIALS_DESCRIPTION,
                    materialsDescriptionJSON.toString());
            instructionJSON.put(Headers.CRYPTO_KEY, 
                Base64.encodeAsString(instruction.getEncryptedSymmetricKey()));
            byte[] iv = instruction.getSymmetricCipher().getIV();
            instructionJSON.put(Headers.CRYPTO_IV, Base64.encodeAsString(iv));
        } catch (JSONException e) {} // Keys are never null, so JSONException will never be thrown.

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     */
    @Deprecated
    private static JSONObject parseJSONInstruction(S3Object instructionObject) {
        try {
            String instructionString = convertStreamToString(instructionObject.getObjectContent());
            return new JSONObject(instructionString);
        } catch (Exception e) {
            throw new AmazonClientException("Error parsing JSON instruction file: " + e.getMessage());
        }
    }

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        }
    }




    private void assignContent(Request request, Object representation) {
        String contentString = new JSONObject(representation).toString();


        if (contentString == null) {
            throw new AmazonClientException("Unable to marshall representation to JSON: " + representation);
        }

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        }


        Policy policy = new Policy();
        List<Statement> statements = new LinkedList<Statement>();
        try {
            JSONObject jPolicy = new JSONObject(jsonString);


            if (Arrays.asList(JSONObject.getNames(jPolicy)).contains(JsonDocumentFields.POLICY_ID)) {
                policy.setId(jPolicy.getString(JsonDocumentFields.POLICY_ID));
            }


            JSONArray jStatements = jPolicy.getJSONArray(JsonDocumentFields.STATEMENT);


            for (int index = 0 ; index < jStatements.length() ; index++) {
                Statement statement = convertStatement(jStatements.getJSONObject(index));
                if (statement != null) {
                statements.add(statement);

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        if (statement.getPrincipals() == null) {
            statement.setPrincipals(new LinkedList<Principal>());
        }


        JSONObject jPrincipals = jStatement.getJSONObject(JsonDocumentFields.PRINCIPAL);
        String[] fields = JSONObject.getNames(jPrincipals);
        for (String field : fields) {
            String serviceId = jPrincipals.optString(field);
            if (serviceId != null && serviceId.length() > 0) {
                if (field.equalsIgnoreCase("AWS")) {
                statement.getPrincipals().add(new Principal(serviceId));
                } else if (field.equalsIgnoreCase("Service")) {
                    statement.getPrincipals().add(new Principal(Services.fromString(serviceId)));
                }
            } else {
                JSONArray jPrincipal = jPrincipals.getJSONArray(field);
                convertPrincipalRecord(field, statement, jPrincipal);
            }
        }
    }

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    private void convertCondition(Statement statement, JSONObject jStatement) throws JSONException {
        if (!Arrays.asList(JSONObject.getNames(jStatement)).contains(JsonDocumentFields.CONDITION)) {
            return;
        }
        JSONObject jConditions = jStatement.getJSONObject(JsonDocumentFields.CONDITION);
        List<Condition> conditions = new LinkedList<Condition>();
        String[] types = JSONObject.getNames(jConditions);
        for (String type : types) {
             JSONObject jCondition = jConditions.getJSONObject(type);
             convertConditionRecord(conditions, type, jCondition);
        }
        statement.setConditions(conditions);
    }

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        if (!messageBody.startsWith("{")) {
          messageBody = new String(BinaryUtils.fromBase64(messageBody));
        }


        try {
          JSONObject json = new JSONObject(messageBody);
          String jsonMessage = json.getString("Message").replace("\\\"", "\"");


          json = new JSONObject(jsonMessage);
          String messageJobId = json.getString("JobId");
          String messageStatus = json.getString("StatusMessage");


          // Don't process this message if it wasn't the job we were looking for
          if (!jobId.equals(messageJobId)) continue;


          try {

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     *      The crypto provider whose encryption implementation will be used to encrypt and decrypt data.
     * @return
     *      An instruction object containing encryption information
     */
    public static EncryptionInstruction buildInstructionFromInstructionFile(S3Object instructionFile, EncryptionMaterials materials, Provider cryptoProvider) {
        JSONObject instructionJSON = parseJSONInstruction(instructionFile);
        try {
            // Get fields from instruction object            
            byte[] encryptedSymmetricKeyBytes = instructionJSON.getString(Headers.CRYPTO_KEY).getBytes();            
            byte[] initVectorBytes = instructionJSON.getString(Headers.CRYPTO_IV).getBytes();
            String materialsDescriptionString = instructionJSON.getString(Headers.MATERIALS_DESCRIPTION);
            Map<String, String> materialsDescription = convertJSONToMap(materialsDescriptionString);
            
            // Decode from Base 64 to standard binary bytes
            encryptedSymmetricKeyBytes = Base64.decodeBase64(encryptedSymmetricKeyBytes);
            initVectorBytes = Base64.decodeBase64(initVectorBytes);

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