64 lines
1.8 KiB
Java
64 lines
1.8 KiB
Java
package io.socket.hasbinary;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.Iterator;
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public class HasBinary {
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private static final Logger logger = Logger.getLogger(HasBinary.class.getName());
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private HasBinary() {}
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public static boolean hasBinary(Object data) {
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return _hasBinary(data);
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}
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private static boolean _hasBinary(Object obj) {
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if (obj == null) return false;
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if (obj instanceof byte[]) {
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return true;
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}
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if (obj instanceof JSONArray) {
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JSONArray _obj = (JSONArray)obj;
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int length = _obj.length();
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for (int i = 0; i < length; i++) {
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Object v;
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try {
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v = _obj.isNull(i) ? null : _obj.get(i);
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} catch (JSONException e) {
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logger.log(Level.WARNING, "An error occured while retrieving data from JSONArray", e);
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return false;
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}
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if (_hasBinary(v)) {
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return true;
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}
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}
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} else if (obj instanceof JSONObject) {
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JSONObject _obj = (JSONObject)obj;
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Iterator keys = _obj.keys();
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while (keys.hasNext()) {
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String key = (String)keys.next();
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Object v;
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try {
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v = _obj.get(key);
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} catch (JSONException e) {
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logger.log(Level.WARNING, "An error occured while retrieving data from JSONObject", e);
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return false;
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}
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if (_hasBinary(v)) {
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return true;
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}
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}
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}
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return false;
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}
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}
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