org.openqa.selenium.grid.web.Values Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of grid Show documentation
Show all versions of grid Show documentation
Selenium automates browsers. That's it! What you do with that power is entirely up to you.
// 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.grid.web;
import static org.openqa.selenium.json.Json.MAP_TYPE;
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 {
private static final Json JSON = new Json();
private static final ErrorCodec ERRORS = ErrorCodec.createDefault();
public static T get(HttpResponse response, Type typeOfT) {
try (Reader reader = new StringReader(response.getContentString());
JsonInput input = JSON.newInput(reader)) {
// Alright then. We might be dealing with the object we expected, or we might have an
// error. We shall assume that a non-200 http status code indicates that something is
// wrong.
if (response.getStatus() != 200) {
throw ERRORS.decode(JSON.toType(response.getContentString(), MAP_TYPE));
}
if (Void.class.equals(typeOfT) && input.peek() == END) {
return null;
}
input.beginObject();
while (input.hasNext()) {
if ("value".equals(input.nextName())) {
return input.read(typeOfT);
} else {
input.skipValue();
}
}
throw new IllegalStateException("Unable to locate value: " + response.getContentString());
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}