org.openqa.selenium.grid.web.Values Maven / Gradle / Ivy
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// 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.grid.web;
import static org.openqa.selenium.json.JsonType.END;
import org.openqa.selenium.json.Json;
import org.openqa.selenium.json.JsonInput;
import org.openqa.selenium.remote.http.HttpResponse;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.UncheckedIOException;
import java.lang.reflect.Type;
public class Values {
public static final Json JSON = new Json();
public static T get(HttpResponse response, Type typeOfT) {
try (Reader reader = new StringReader(response.getContentString());
JsonInput input = JSON.newInput(reader)) {
if (Void.class.equals(typeOfT) && input.peek() == END) {
return null;
}
input.beginObject();
while (input.hasNext()) {
if ("value".equals(input.nextName())) {
return input.read(typeOfT);
}
}
throw new IllegalStateException("Unable to locate value: " + response.getContentString());
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}