org.openqa.grid.internal.utils.configuration.json.CommonJsonConfiguration.java Source code

Introduction

Here is the source code for org.openqa.grid.internal.utils.configuration.json.CommonJsonConfiguration.java

Source

// 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.grid.internal.utils.configuration.json;

import org.openqa.grid.common.GridConfiguredJson;
import org.openqa.grid.common.exception.GridConfigurationException;
import org.openqa.selenium.json.Json;
import org.openqa.selenium.json.JsonInput;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.Objects;
import java.util.function.Function;
import java.util.stream.Stream;

public abstract class CommonJsonConfiguration {

    static <T extends CommonJsonConfiguration> T fromResourceOrFile(String resourceOrFilePath,
            Class<T> configurationClass) {
        return fromJson(loadJsonFromResourceOrFile(resourceOrFilePath), configurationClass);
    }

    static <T extends CommonJsonConfiguration> T fromJson(JsonInput jsonInput, Class<T> configurationClass) {
        try {
            return GridConfiguredJson.toType(jsonInput, configurationClass);
        } catch (GridConfigurationException e) {
            throw e;
        } catch (Throwable e) {
            throw new GridConfigurationException(e.getMessage(), e);
        }
    }

    private static JsonInput loadJsonFromResourceOrFile(String source) {
        try {
            return new Json().newInput(readFileOrResource(source));
        } catch (RuntimeException e) {
            throw new GridConfigurationException("Unable to load configuration from " + source, e);
        }
    }

    private static Reader readFileOrResource(String source) {
        Stream<Function<String, InputStream>> suppliers = Stream.of((path) -> {
            try {
                return new FileInputStream(path);
            } catch (FileNotFoundException e) {
                return null;
            }
        }, (path) -> Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("org/openqa/grid/common/" + path),
                (path) -> Thread.currentThread().getContextClassLoader().getResourceAsStream(path),
                (path) -> new ByteArrayInputStream(path.getBytes()));

        InputStream in = suppliers.map(supplier -> supplier.apply(source)).filter(Objects::nonNull).findFirst()
                .orElseThrow(() -> new RuntimeException("Resource or file not found: " + source));

        return new BufferedReader(new InputStreamReader(in));
    }

    private String role;

    private Boolean debug = false;
    private String log;
    private String host;
    private Integer port;
    private Integer timeout;
    private Integer browserTimeout;
    private Integer jettyMaxThreads;

    protected String getRole() {
        return role;
    }

    /**
     * Enable {@code LogLevel.FINE} log messages. Default {@code false}.
     */
    public Boolean getDebug() {
        return debug;
    }

    /**
     *   Filename to use for logging. Defaults to {@code null}.
     */
    public String getLog() {
        return log;
    }

    /**
     * Hostname or IP to use. Defaults to {@code null}. Automatically determined when {@code null}.
     */
    public String getHost() {
        return host;
    }

    /**
     * Port to bind to. Default determined by configuration type.
     */
    public Integer getPort() {
        return port;
    }

    /**
     * Client timeout. Default 1800 sec.
     */
    public Integer getTimeout() {
        return timeout;
    }

    /**
     * Browser timeout. Default 0 (indefinite wait).
     */
    public Integer getBrowserTimeout() {
        return browserTimeout;
    }

    /**
     *   Max threads for Jetty. Defaults to {@code null}.
     */
    public Integer getJettyMaxThreads() {
        return jettyMaxThreads;
    }
}