75 lines
2.1 KiB
Java
75 lines
2.1 KiB
Java
package org.thoughtcrime.securesms.util;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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public class JsonUtils {
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private static final ObjectMapper objectMapper = new ObjectMapper();
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static {
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objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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objectMapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
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objectMapper.enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING);
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}
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public static <T> T fromJson(byte[] serialized, Class<T> clazz) throws IOException {
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return fromJson(new String(serialized), clazz);
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}
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public static <T> T fromJson(String serialized, Class<T> clazz) throws IOException {
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return objectMapper.readValue(serialized, clazz);
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}
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public static <T> T fromJson(InputStream serialized, Class<T> clazz) throws IOException {
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return objectMapper.readValue(serialized, clazz);
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}
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public static <T> T fromJson(Reader serialized, Class<T> clazz) throws IOException {
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return objectMapper.readValue(serialized, clazz);
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}
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public static String toJson(Object object) throws IOException {
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return objectMapper.writeValueAsString(object);
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}
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public static ObjectMapper getMapper() {
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return objectMapper;
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}
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public static class SaneJSONObject {
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private final JSONObject delegate;
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public SaneJSONObject(JSONObject delegate) {
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this.delegate = delegate;
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}
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public String getString(String name) throws JSONException {
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if (delegate.isNull(name)) return null;
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else return delegate.getString(name);
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}
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public long getLong(String name) throws JSONException {
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return delegate.getLong(name);
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}
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public boolean isNull(String name) {
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return delegate.isNull(name);
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}
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public int getInt(String name) throws JSONException {
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return delegate.getInt(name);
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}
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}
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}
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