add some utils and new exceptions

1 files changed, 121 insertions, 0 deletions

diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpClientFactory.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpClientFactory.java
new file mode 100644
index 00000000..6f6f9f49
--- /dev/null
+++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/HttpClientFactory.java
@@ -0,0 +1,121 @@
+package at.gv.egiz.eaaf.core.impl.utils;
+
+import java.security.NoSuchAlgorithmException;
+
+import javax.annotation.PostConstruct;
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLContext;
+
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
+import org.apache.http.conn.ssl.NoopHostnameVerifier;
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
+
+@Service
+public class HttpClientFactory {
+	private static final Logger log = LoggerFactory.getLogger(HttpClientFactory.class);	
+	@Autowired(required=true) private IConfiguration basicConfig;
+	
+	public static final String PROP_CONFIG_CLIENT_HTTP_CONNECTION_POOL_USE = "client.http.connection.pool.use";
+	public static final String PROP_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXTOTAL = "client.http.connection.pool.maxtotal";
+	public static final String PROP_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXPERROUTE = "client.http.connection.pool.maxperroute";
+	public static final String PROP_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_SOCKET = "client.http.connection.timeout.socket";
+	public static final String PROP_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_CONNECTION = "client.http.connection.timeout.connection";
+	public static final String PROP_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_REQUEST = "client.http.connection.timeout.request";
+	public static final String PROP_CONFIG_CLIENT_HTTP_SSL_HOSTNAMEVERIFIER_TRUSTALL = "client.http.ssl.hostnameverifier.trustall";
+	
+	// default configuration values
+	public static final String DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_SOCKET = "300";
+	public static final String DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_CONNECTION = "300";
+	public static final String DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_REQUEST = "1500";
+	public static final String DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXTOTAL = "500";
+	public static final String DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXPERROUTE = "100";
+	
+	private HttpClientBuilder httpClientBuilder = null;
+	
+	/**
+	 * Return an instance of a Apache HTTP client
+	 * 
+	 * @return
+	 */
+	public CloseableHttpClient getHttpClient() {
+		return httpClientBuilder.build();
+		
+	}
+	
+	
+	@PostConstruct
+	private void initalize() {
+		//initialize http client 
+		log.trace("Initializing HTTP Client-builder ... ");
+		HttpClientBuilder httpClientBuilder = HttpClients.custom();
+		
+		//set default request configuration
+		RequestConfig requestConfig = RequestConfig.custom()
+											.setConnectTimeout(Integer.valueOf(basicConfig.getBasicConfiguration(
+													PROP_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_CONNECTION, 
+													DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_CONNECTION)) * 1000)
+											.setConnectionRequestTimeout(Integer.valueOf(basicConfig.getBasicConfiguration(
+													PROP_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_REQUEST, 
+													DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_REQUEST)) * 1000)
+											.setSocketTimeout(Integer.valueOf(basicConfig.getBasicConfiguration(
+													PROP_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_SOCKET, 
+													DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_TIMEOUT_SOCKET)) * 1000)
+											.build();		
+		httpClientBuilder.setDefaultRequestConfig(requestConfig);
+				
+		//set  pool connection if requested
+		if (basicConfig.getBasicMOAIDConfigurationBoolean(
+				PROP_CONFIG_CLIENT_HTTP_CONNECTION_POOL_USE, 
+				true)) {
+			PoolingHttpClientConnectionManager pool = new PoolingHttpClientConnectionManager();
+			pool.setDefaultMaxPerRoute(Integer.valueOf(basicConfig.getBasicConfiguration(
+					PROP_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXPERROUTE, 
+					DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXPERROUTE)));			
+			pool.setMaxTotal(Integer.valueOf(basicConfig.getBasicConfiguration(
+					PROP_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXTOTAL, 
+					DEFAULT_CONFIG_CLIENT_HTTP_CONNECTION_POOL_MAXTOTAL)));
+			
+			
+			
+			httpClientBuilder.setConnectionManager(pool);
+			log.debug("Initalize http-client pool with, maxTotal: {} maxPerRoute: {}", pool.getMaxTotal(), pool.getDefaultMaxPerRoute());
+					
+		}
+		
+		try {
+			log.trace("Initializing SSL Context ... ");
+			SSLContext sslContext = SSLContext.getDefault();
+			HostnameVerifier hostnameVerifier = null;
+			if (basicConfig.getBasicMOAIDConfigurationBoolean(
+					PROP_CONFIG_CLIENT_HTTP_SSL_HOSTNAMEVERIFIER_TRUSTALL, 
+					false)) {
+				hostnameVerifier = new NoopHostnameVerifier();
+				log.warn("HTTP client-builder deactivates SSL Host-name verification!");
+			}
+			
+			LayeredConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslContext , hostnameVerifier);
+			httpClientBuilder.setSSLSocketFactory(sslSocketFactory );
+			
+		} catch (NoSuchAlgorithmException e) {
+			log.warn("HTTP client-builder can NOT initialze SSL-Context", e);
+			
+		}
+
+		
+		log.info("HTTP client-builder successfuly initialized");
+		
+	}
+	
+	
+}