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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.openqa.selenium.json;

import com.google.common.reflect.TypeToken;

import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.UncheckedIOException;
import java.io.Writer;
import java.lang.reflect.Type;
import java.util.List;
import java.util.Map;

public class Json {
  public static final Type LIST_OF_MAPS_TYPE = new TypeToken>>() {}.getType();
  public static final Type MAP_TYPE = new TypeToken>() {}.getType();
  public static final Type OBJECT_TYPE = new TypeToken() {}.getType();

  private final JsonTypeCoercer fromJson = new JsonTypeCoercer();

  public String toJson(Object toConvert) {
    try (Writer writer = new StringWriter();
        JsonOutput jsonOutput = newOutput(writer)) {
      jsonOutput.write(toConvert);
      return writer.toString();
    } catch (IOException e) {
      throw new JsonException(e);
    }
  }

  public  T toType(String source, Type typeOfT) {
    return toType(source, typeOfT, PropertySetting.BY_NAME);
  }

  public  T toType(String source, Type typeOfT, PropertySetting setter) {
    try (StringReader reader = new StringReader(source)) {
      return toType(reader, typeOfT, setter);
    }
  }

  public  T toType(Reader source, Type typeOfT) {
    return toType(source, typeOfT, PropertySetting.BY_NAME);
  }

  public  T toType(Reader source, Type typeOfT, PropertySetting setter) {
    if (setter == null) {
      throw new JsonException("Mechanism for setting properties must be set");
    }

    try (JsonInput json = newInput(source)) {
      return fromJson.coerce(json, typeOfT, setter);
    }
  }

  public JsonInput newInput(Reader from) throws UncheckedIOException {
    return new JsonInput(from, fromJson, PropertySetting.BY_NAME);
  }

  public JsonOutput newOutput(Appendable to) throws UncheckedIOException {
    return new JsonOutput(to);
  }
}
 















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