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org.jboss.resteasy.client.jaxrs.internal.ResteasyClientBuilderImpl Maven / Gradle / Ivy

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package org.jboss.resteasy.client.jaxrs.internal;

import java.security.AccessController;
import java.security.KeyStore;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;

import jakarta.ws.rs.Priorities;
import jakarta.ws.rs.RuntimeType;
import jakarta.ws.rs.core.Configuration;

import org.apache.http.HttpHost;
import org.apache.http.impl.nio.client.HttpAsyncClients;
import org.jboss.resteasy.client.jaxrs.ClientHttpEngine;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
import org.jboss.resteasy.client.jaxrs.engines.ApacheHttpAsyncClient4Engine;
import org.jboss.resteasy.client.jaxrs.engines.ClientHttpEngineBuilder43;
import org.jboss.resteasy.client.jaxrs.i18n.LogMessages;
import org.jboss.resteasy.client.jaxrs.i18n.Messages;
import org.jboss.resteasy.client.jaxrs.spi.ClientConfigProvider;
import org.jboss.resteasy.concurrent.ContextualExecutorService;
import org.jboss.resteasy.concurrent.ContextualExecutors;
import org.jboss.resteasy.core.providerfactory.ResteasyProviderFactoryDelegate;
import org.jboss.resteasy.plugins.interceptors.AcceptEncodingGZIPFilter;
import org.jboss.resteasy.plugins.providers.RegisterBuiltin;
import org.jboss.resteasy.spi.ResteasyProviderFactory;

/**
 * Abstraction for creating Clients. Allows SSL configuration. Uses Apache Http Client under
 * the covers. If used with other ClientHttpEngines though, all configuration options are ignored.
 *
 * @author Bill Burke
 * @version $Revision: 1 $
 */
public class ResteasyClientBuilderImpl extends ResteasyClientBuilder {
    protected KeyStore truststore;
    protected KeyStore clientKeyStore;
    protected String clientPrivateKeyPassword;
    protected boolean disableTrustManager;
    protected HostnameVerificationPolicy policy = HostnameVerificationPolicy.WILDCARD;
    protected ResteasyProviderFactory providerFactory;
    protected ExecutorService asyncExecutor;
    protected ScheduledExecutorService scheduledExecutorService;
    protected boolean cleanupExecutor;
    protected SSLContext sslContext;
    protected Map properties = new HashMap();
    protected ClientHttpEngine httpEngine;
    protected int connectionPoolSize = 50;
    protected int maxPooledPerRoute = 0;
    protected long connectionTTL = -1;
    protected TimeUnit connectionTTLUnit = TimeUnit.MILLISECONDS;
    protected long socketTimeout = -1;
    protected TimeUnit socketTimeoutUnits = TimeUnit.MILLISECONDS;
    protected long establishConnectionTimeout = -1;
    protected TimeUnit establishConnectionTimeoutUnits = TimeUnit.MILLISECONDS;
    protected int connectionCheckoutTimeoutMs = -1;
    protected HostnameVerifier verifier = null;
    protected HttpHost defaultProxy;
    protected int responseBufferSize;
    protected List sniHostNames = new ArrayList<>();
    protected boolean trustSelfSignedCertificates = true;
    protected boolean cookieManagementEnabled;
    protected boolean disableAutomaticRetries = false;
    protected boolean followRedirects;

    static ResteasyProviderFactory PROVIDER_FACTORY;

    public static void setProviderFactory(ResteasyProviderFactory providerFactory) {
        PROVIDER_FACTORY = providerFactory;
    }

    public ResteasyClientBuilderImpl() {
        if (PROVIDER_FACTORY != null) {
            ResteasyProviderFactory localProviderFactory = new LocalResteasyProviderFactory(PROVIDER_FACTORY);
            if (ResteasyProviderFactory.peekInstance() != null) {
                localProviderFactory.initializeClientProviders(ResteasyProviderFactory.getInstance());
            }
            providerFactory = localProviderFactory;
        }
    }

    /**
     * Changing the providerFactory will wipe clean any registered components or properties.
     *
     * @param providerFactory provider factory
     * @return the updated client builder instance
     */
    @Override
    public ResteasyClientBuilderImpl providerFactory(ResteasyProviderFactory providerFactory) {
        if (providerFactory instanceof LocalResteasyProviderFactory) {
            this.providerFactory = providerFactory;
        } else {
            this.providerFactory = new ResteasyProviderFactoryDelegate(providerFactory) {
                @Override
                public jakarta.ws.rs.RuntimeType getRuntimeType() {
                    return RuntimeType.CLIENT;
                }
            };
        }
        return this;
    }

    /**
     * Executor to use to run AsyncInvoker invocations.
     *
     * @param asyncExecutor executor service
     * @return the updated client builder instance
     * @deprecated use {@link ResteasyClientBuilderImpl#executorService(ExecutorService)} instead
     */
    @Deprecated
    public ResteasyClientBuilderImpl asyncExecutor(ExecutorService asyncExecutor) {
        return asyncExecutor(asyncExecutor, false);
    }

    /**
     * Executor to use to run AsyncInvoker invocations.
     *
     * @param asyncExecutor   executor service
     * @param cleanupExecutor true if the Client should close the executor when it is closed
     * @return the updated client builder instance
     */
    @Deprecated
    public ResteasyClientBuilderImpl asyncExecutor(ExecutorService asyncExecutor, boolean cleanupExecutor) {
        this.asyncExecutor = asyncExecutor;
        this.cleanupExecutor = cleanupExecutor;
        return this;
    }

    /**
     * If there is a connection pool, set the time to live in the pool.
     *
     * @param ttl  time to live
     * @param unit the time unit of the ttl argument
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl connectionTTL(long ttl, TimeUnit unit) {
        this.connectionTTL = ttl;
        this.connectionTTLUnit = unit;
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl readTimeout(long timeout, TimeUnit unit) {
        this.socketTimeout = timeout;
        this.socketTimeoutUnits = unit;
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl connectTimeout(long timeout, TimeUnit unit) {
        this.establishConnectionTimeout = timeout;
        this.establishConnectionTimeoutUnits = unit;
        return this;
    }

    /**
     * If connection pooling enabled, how many connections to pool per url?
     *
     * @param maxPooledPerRoute max pool size per url
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl maxPooledPerRoute(int maxPooledPerRoute) {
        this.maxPooledPerRoute = maxPooledPerRoute;
        return this;
    }

    /**
     * If connection pooling is enabled, how long will we wait to get a connection?
     *
     * @param timeout the timeout
     * @param unit    the units the timeout is in
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl connectionCheckoutTimeout(long timeout, TimeUnit unit) {
        this.connectionCheckoutTimeoutMs = (int) TimeUnit.MILLISECONDS.convert(timeout, unit);
        return this;
    }

    /**
     * Number of connections allowed to pool.
     *
     * @param connectionPoolSize connection pool size
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl connectionPoolSize(int connectionPoolSize) {
        this.connectionPoolSize = connectionPoolSize;
        return this;
    }

    /**
     * Response stream is wrapped in a BufferedInputStream. Default is 8192. Value of 0 will not wrap it.
     * Value of -1 will use a SelfExpandingBufferedInputStream.
     *
     * @param size response buffer size
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl responseBufferSize(int size) {
        this.responseBufferSize = size;
        return this;
    }

    /**
     * Disable trust management and hostname verification. NOTE this is a security
     * hole, so only set this option if you cannot or do not want to verify the identity of the
     * host you are communicating with.
     *
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl disableTrustManager() {
        this.disableTrustManager = true;
        return this;
    }

    /**
     * SSL policy used to verify hostnames
     *
     * @param policy SSL policy
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl hostnameVerification(HostnameVerificationPolicy policy) {
        this.policy = policy;
        return this;
    }

    /**
     * Negates all ssl and connection specific configuration
     *
     * @param httpEngine http engine
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl httpEngine(ClientHttpEngine httpEngine) {
        this.httpEngine = httpEngine;
        return this;
    }

    public ResteasyClientBuilderImpl useAsyncHttpEngine() {
        this.httpEngine = new ApacheHttpAsyncClient4Engine(HttpAsyncClients.createSystem(), true);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl sslContext(SSLContext sslContext) {
        this.sslContext = sslContext;
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl trustStore(KeyStore truststore) {
        this.truststore = truststore;
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl keyStore(KeyStore keyStore, String password) {
        this.clientKeyStore = keyStore;
        this.clientPrivateKeyPassword = password;
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl keyStore(KeyStore keyStore, char[] password) {
        this.clientKeyStore = keyStore;
        this.clientPrivateKeyPassword = new String(password);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl property(String name, Object value) {
        getProviderFactory().property(name, value);
        return this;
    }

    /**
     * Adds a TLS/SSL SNI Host Name for authentication.
     *
     * @param sniHostNames host names
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl sniHostNames(String... sniHostNames) {
        this.sniHostNames.addAll(Arrays.asList(sniHostNames));
        return this;
    }

    /**
     * Specify a default proxy. Default port and schema will be used.
     *
     * @param hostname host name
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl defaultProxy(String hostname) {
        return defaultProxy(hostname, -1, null);
    }

    /**
     * Specify a default proxy host and port. Default schema will be used.
     *
     * @param hostname host name
     * @param port     port
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl defaultProxy(String hostname, int port) {
        return defaultProxy(hostname, port, null);
    }

    /**
     * Specify default proxy.
     *
     * @param hostname host name
     * @param port     port
     * @param scheme   scheme
     * @return the updated client builder instance
     */
    public ResteasyClientBuilderImpl defaultProxy(String hostname, int port, final String scheme) {
        this.defaultProxy = hostname != null ? new HttpHost(hostname, port, scheme) : null;
        return this;
    }

    public ResteasyProviderFactory getProviderFactory() {
        if (providerFactory == null) {
            ClassLoader loader = null;
            if (System.getSecurityManager() == null) {
                loader = Thread.currentThread().getContextClassLoader();
            } else {
                try {
                    loader = AccessController.doPrivileged(new PrivilegedExceptionAction() {
                        @Override
                        public ClassLoader run() throws Exception {
                            return Thread.currentThread().getContextClassLoader();
                        }
                    });
                } catch (PrivilegedActionException pae) {
                    throw new RuntimeException(pae);
                }
            }
            // create a new one
            providerFactory = new LocalResteasyProviderFactory(
                    RegisterBuiltin.getClientInitializedResteasyProviderFactory(loader));

            if (ResteasyProviderFactory.peekInstance() != null) {
                providerFactory.initializeClientProviders(ResteasyProviderFactory.getInstance());
            }
            // Execution of 'if' above overwrites providerFactory clientRequestFilterRegistry
            // Reregister provider as appropriate.
            if (RegisterBuiltin.isGZipEnabled()) {
                providerFactory.registerProvider(AcceptEncodingGZIPFilter.class, true);
            }
        }
        return providerFactory;
    }

    @Override
    public ResteasyClient build() {
        ClientConfiguration config = new ClientConfiguration(getProviderFactory());
        for (Map.Entry entry : properties.entrySet()) {
            config.property(entry.getKey(), entry.getValue());
        }

        boolean resetProxy = false;
        if (this.defaultProxy == null) {
            resetProxy = true;
            // check for proxy config parameters
            setProxyIfNeeded(config);
        }

        for (Object p : getProviderFactory().getProviderInstances()) {
            if (p instanceof ClientHttpEngine) {
                httpEngine((ClientHttpEngine) p);
                break;
            }
        }

        final Object localFollowRedirects = config.getProperty(PROPERTY_FOLLOW_REDIRECTS);
        if (localFollowRedirects != null) {
            this.followRedirects = Boolean.parseBoolean(String.valueOf(localFollowRedirects));
        }

        ClientHttpEngine engine = httpEngine != null ? httpEngine
                : new ClientHttpEngineBuilder43().resteasyClientBuilder(this).build();
        if (resetProxy) {
            this.defaultProxy = null;
        }
        Iterator serviceLoaderIterator = ServiceLoader.load(ClientConfigProvider.class).iterator();
        if (serviceLoaderIterator.hasNext()) {
            config.register(new ClientConfigProviderFilter(serviceLoaderIterator.next()), Priorities.AUTHENTICATION);
        }
        final ContextualExecutorService executor = getExecutorService();
        return createResteasyClient(engine, executor, !executor.isManaged(),
                ContextualExecutors.wrapOrLookup(scheduledExecutorService), config);

    }

    /**
     * This method sets http proxy if {@link ResteasyClientBuilder#PROPERTY_PROXY_HOST} is set in the properties.
     *
     * @param clientConfig client config
     */
    private void setProxyIfNeeded(ClientConfiguration clientConfig) {
        try {
            if (clientConfig.hasProperty(ResteasyClientBuilder.PROPERTY_PROXY_HOST)) {
                Object proxyHostProp = clientConfig.getProperty(ResteasyClientBuilder.PROPERTY_PROXY_HOST);
                Integer proxyPort = -1;
                if (clientConfig.hasProperty(ResteasyClientBuilder.PROPERTY_PROXY_PORT)) {
                    // default if the port is not set or if it is not string or number
                    Object proxyPortProp = clientConfig.getProperty(ResteasyClientBuilder.PROPERTY_PROXY_PORT);
                    if (proxyPortProp instanceof Number) {
                        proxyPort = ((Number) proxyPortProp).intValue();
                    } else if (proxyPortProp instanceof String) {
                        proxyPort = Integer.parseInt((String) proxyPortProp);
                    }
                }

                Object proxySchemeProp = clientConfig.getProperty(ResteasyClientBuilder.PROPERTY_PROXY_SCHEME);
                defaultProxy((String) proxyHostProp, proxyPort, (String) proxySchemeProp);
            }
        } catch (Exception e) {
            // catch possible exceptions (in this case we do not set proxy at all)
            LogMessages.LOGGER.warn(Messages.MESSAGES.unableToSetHttpProxy(), e);
        }
    }

    protected ResteasyClient createResteasyClient(ClientHttpEngine engine, ExecutorService executor, boolean cleanupExecutor,
            ScheduledExecutorService scheduledExecutorService, ClientConfiguration config) {
        return new ResteasyClientImpl(engine, executor, cleanupExecutor,
                ContextualExecutors.wrapOrLookup(scheduledExecutorService), config);
    }

    @Override
    public ResteasyClientBuilderImpl hostnameVerifier(HostnameVerifier verifier) {
        this.verifier = verifier;
        return this;
    }

    @Override
    public Configuration getConfiguration() {
        return getProviderFactory().getConfiguration();
    }

    @Override
    public ResteasyClientBuilderImpl register(Class componentClass) {
        getProviderFactory().register(componentClass);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Class componentClass, int priority) {
        getProviderFactory().register(componentClass, priority);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Class componentClass, Class... contracts) {
        getProviderFactory().register(componentClass, contracts);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Class componentClass, Map, Integer> contracts) {
        getProviderFactory().register(componentClass, contracts);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Object component) {
        getProviderFactory().register(component);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Object component, int priority) {
        getProviderFactory().register(component, priority);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Object component, Class... contracts) {
        getProviderFactory().register(component, contracts);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl register(Object component, Map, Integer> contracts) {
        getProviderFactory().register(component, contracts);
        return this;
    }

    @Override
    public ResteasyClientBuilderImpl withConfig(Configuration config) {
        providerFactory = new LocalResteasyProviderFactory();
        providerFactory.setProperties(config.getProperties());
        for (Class clazz : config.getClasses()) {
            Map, Integer> contracts = config.getContracts(clazz);
            try {
                register(clazz, contracts);
            } catch (RuntimeException e) {
                throw new RuntimeException(Messages.MESSAGES.failedOnRegisteringClass(clazz.getName()), e);
            }
        }
        for (Object obj : config.getInstances()) {
            Map, Integer> contracts = config.getContracts(obj.getClass());
            register(obj, contracts);
        }
        return this;
    }

    @Override
    public ResteasyClientBuilder executorService(ExecutorService executorService) {
        return asyncExecutor(executorService, false);
    }

    @Override
    public ResteasyClientBuilder executorService(ExecutorService executorService, boolean cleanupExecutor) {
        return asyncExecutor(executorService, cleanupExecutor);
    }

    @Override
    public ResteasyClientBuilder scheduledExecutorService(ScheduledExecutorService scheduledExecutorService) {
        this.scheduledExecutorService = scheduledExecutorService;
        return this;
    }

    @Override
    public long getConnectionTTL(TimeUnit unit) {
        return connectionTTLUnit.equals(unit) ? connectionTTL : unit.convert(connectionTTL, connectionTTLUnit);
    }

    @Override
    public int getMaxPooledPerRoute() {
        return maxPooledPerRoute;
    }

    @Override
    public long getConnectionCheckoutTimeout(TimeUnit unit) {
        return TimeUnit.MILLISECONDS.equals(unit) ? connectionCheckoutTimeoutMs
                : unit.convert(connectionCheckoutTimeoutMs, TimeUnit.MILLISECONDS);
    }

    @Override
    public int getConnectionPoolSize() {
        return connectionPoolSize;
    }

    @Override
    public int getResponseBufferSize() {
        return responseBufferSize;
    }

    @Override
    public boolean isTrustManagerDisabled() {
        return disableTrustManager;
    }

    @Override
    public boolean isTrustSelfSignedCertificates() {
        return trustSelfSignedCertificates;
    }

    @Override
    public void setIsTrustSelfSignedCertificates(boolean b) {
        trustSelfSignedCertificates = b;
    }

    @Override
    public HostnameVerificationPolicy getHostnameVerification() {
        return policy;
    }

    @Override
    public ClientHttpEngine getHttpEngine() {
        return httpEngine;
    }

    @Override
    public boolean isUseAsyncHttpEngine() {
        return httpEngine != null && (httpEngine instanceof ApacheHttpAsyncClient4Engine);
    }

    @Override
    public List getSniHostNames() {
        return sniHostNames;
    }

    @Override
    public String getDefaultProxyHostname() {
        return defaultProxy != null ? defaultProxy.getHostName() : null;
    }

    @Override
    public int getDefaultProxyPort() {
        return defaultProxy != null ? defaultProxy.getPort() : -1;
    }

    @Override
    public String getDefaultProxyScheme() {
        return defaultProxy != null ? defaultProxy.getSchemeName() : null;
    }

    @Override
    public long getReadTimeout(TimeUnit unit) {
        return socketTimeoutUnits.equals(unit) ? socketTimeout : unit.convert(socketTimeout, socketTimeoutUnits);
    }

    @Override
    public long getConnectionTimeout(TimeUnit unit) {
        return establishConnectionTimeoutUnits.equals(unit) ? establishConnectionTimeout
                : unit.convert(establishConnectionTimeout, establishConnectionTimeoutUnits);
    }

    @Override
    public SSLContext getSSLContext() {
        return sslContext;
    }

    @Override
    public KeyStore getKeyStore() {
        return clientKeyStore;
    }

    @Override
    public String getKeyStorePassword() {
        return clientPrivateKeyPassword;
    }

    @Override
    public KeyStore getTrustStore() {
        return truststore;
    }

    @Override
    public HostnameVerifier getHostnameVerifier() {
        return verifier;
    }

    @Override
    public ResteasyClientBuilder enableCookieManagement() {
        this.cookieManagementEnabled = true;
        return this;
    }

    @Override
    public boolean isCookieManagementEnabled() {
        return cookieManagementEnabled;
    }

    @Override
    public ResteasyClientBuilder disableAutomaticRetries() {
        this.disableAutomaticRetries = true;
        return this;
    }

    @Override
    public boolean isDisableAutomaticRetries() {
        return disableAutomaticRetries;
    }

    @Override
    public ResteasyClientBuilder setFollowRedirects(boolean followRedirects) {
        this.followRedirects = followRedirects;
        return this;
    }

    @Override
    public boolean isFollowRedirects() {
        return followRedirects;
    }

    private ContextualExecutorService getExecutorService() {
        if (asyncExecutor != null) {
            return ContextualExecutors.wrap(asyncExecutor, !cleanupExecutor);
        }
        return ContextualExecutors.threadPool();
    }
}




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