Added:
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestCallLogger.java
==============================================================================
---
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestCallLogger.java
(added)
+++
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestCallLogger.java
Fri Sep 8 23:25:34 2017
@@ -0,0 +1,129 @@
+//
***************************************************************************************************************************
+// * Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file *
+// * distributed with this work for additional information regarding copyright
ownership. The ASF 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.apache.juneau.rest.client;
+
+import static org.apache.juneau.internal.StringUtils.*;
+
+import java.io.*;
+import java.util.logging.*;
+
+import org.apache.http.*;
+import org.apache.http.client.methods.*;
+import org.apache.http.util.*;
+
+/**
+ * Specialized intercepter for logging calls to a log file.
+ *
+ * <p>
+ * Causes a log entry to be created that shows all the request and response
headers and content at the end of the
+ * request.
+ *
+ * <p>
+ * Use the {@link RestClientBuilder#logTo(Level, Logger)} and {@link
RestCall#logTo(Level, Logger)} methods to create
+ * instances of this class.
+ */
+public class RestCallLogger extends RestCallInterceptor {
+
+ /**
+ * Default HTTP request logger.
+ * <p>
+ * Logs outgoing HTTP requests to the
<code>org.apache.juneau.rest.client</code> logger at <jsf>WARNING</jsf> level.
+ */
+ public static final RestCallLogger DEFAULT = new
RestCallLogger(Level.WARNING,
Logger.getLogger("org.apache.juneau.rest.client"));
+
+ private Level level;
+ private Logger log;
+
+ /**
+ * Constructor.
+ *
+ * @param level The log level to log messages at.
+ * @param log The logger to log to.
+ */
+ protected RestCallLogger(Level level, Logger log) {
+ this.level = level;
+ this.log = log;
+ }
+
+ @Override /* RestCallInterceptor */
+ public void onInit(RestCall restCall) {
+ if (log.isLoggable(level))
+ restCall.captureResponse();
+ }
+
+ @Override /* RestCallInterceptor */
+ public void onConnect(RestCall restCall, int statusCode, HttpRequest
req, HttpResponse res) {
+ // Do nothing.
+ }
+
+ @Override /* RestCallInterceptor */
+ public void onRetry(RestCall restCall, int statusCode, HttpRequest req,
HttpResponse res, Exception ex) {
+ if (log.isLoggable(level)) {
+ if (ex == null)
+ log.log(level, format("Call to {0} returned
{1}. Will retry.", req.getRequestLine().getUri(), statusCode));
+ else
+ log.log(level, format("Call to {0} caused
exception {1}. Will retry.", req.getRequestLine().getUri(),
ex.getLocalizedMessage()), ex);
+ }
+ }
+
+ @Override /* RestCallInterceptor */
+ public void onClose(RestCall restCall) throws RestCallException {
+ try {
+ if (log.isLoggable(level)) {
+ String output = restCall.getCapturedResponse();
+ StringBuilder sb = new StringBuilder();
+ HttpUriRequest req = restCall.getRequest();
+ HttpResponse res = restCall.getResponse();
+ if (req != null) {
+ sb.append("\n=== HTTP Call (outgoing)
=======================================================");
+
+ sb.append("\n=== REQUEST
===\n").append(req);
+ sb.append("\n---request headers---");
+ for (Header h : req.getAllHeaders())
+ sb.append("\n\t").append(h);
+ if (req instanceof
HttpEntityEnclosingRequestBase) {
+ sb.append("\n---request
entity---");
+ HttpEntityEnclosingRequestBase
req2 = (HttpEntityEnclosingRequestBase)req;
+ HttpEntity e = req2.getEntity();
+ if (e == null)
+ sb.append("\nEntity is
null");
+ else {
+ if (e.getContentType()
!= null)
+
sb.append("\n").append(e.getContentType());
+ if
(e.getContentEncoding() != null)
+
sb.append("\n").append(e.getContentEncoding());
+ if (e.isRepeatable()) {
+ try {
+
sb.append("\n---request content---\n").append(EntityUtils.toString(e));
+ } catch
(Exception ex) {
+ throw
new RuntimeException(ex);
+ }
+ }
+ }
+ }
+ }
+ if (res != null) {
+ sb.append("\n=== RESPONSE
===\n").append(res.getStatusLine());
+ sb.append("\n---response headers---");
+ for (Header h : res.getAllHeaders())
+ sb.append("\n\t").append(h);
+ sb.append("\n---response
content---\n").append(output);
+ sb.append("\n=== END
========================================================================");
+ }
+ log.log(level, sb.toString());
+ }
+ } catch (IOException e) {
+ log.log(Level.SEVERE, e.getLocalizedMessage(), e);
+ }
+ }
+}
Propchange:
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestCallLogger.java
------------------------------------------------------------------------------
svn:mime-type = text/plain
Added:
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestClient.java
==============================================================================
---
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestClient.java
(added)
+++
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestClient.java
Fri Sep 8 23:25:34 2017
@@ -0,0 +1,826 @@
+//
***************************************************************************************************************************
+// * Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file *
+// * distributed with this work for additional information regarding copyright
ownership. The ASF 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.apache.juneau.rest.client;
+
+import static org.apache.juneau.internal.ClassUtils.*;
+import static org.apache.juneau.internal.ReflectionUtils.*;
+import static org.apache.juneau.internal.StringUtils.*;
+
+import java.io.*;
+import java.lang.reflect.*;
+import java.lang.reflect.Proxy;
+import java.net.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.regex.*;
+
+import org.apache.http.*;
+import org.apache.http.client.methods.*;
+import org.apache.http.client.utils.*;
+import org.apache.http.entity.*;
+import org.apache.http.impl.client.*;
+import org.apache.juneau.*;
+import org.apache.juneau.internal.*;
+import org.apache.juneau.json.*;
+import org.apache.juneau.parser.*;
+import org.apache.juneau.remoteable.*;
+import org.apache.juneau.serializer.*;
+import org.apache.juneau.urlencoding.*;
+
+/**
+ * Utility class for interfacing with remote REST interfaces.
+ *
+ * <h6 class='topic'>Features</h6>
+ * <ul class='spaced-list'>
+ * <li>
+ * Convert POJOs directly to HTTP request message bodies using
{@link Serializer} class.
+ * <li>
+ * Convert HTTP response message bodies directly to POJOs using
{@link Parser} class.
+ * <li>
+ * Fluent interface.
+ * <li>
+ * Thread safe.
+ * <li>
+ * API for interacting with remoteable services.
+ * </ul>
+ *
+ * <h5 class='section'>Additional information:</h5>
+ * <ul>
+ * <li>
+ * <a class="doclink"
href="package-summary.html#RestClient">org.apache.juneau.rest.client > REST
client API</a>
+ * for more information and code examples.
+ * </ul>
+ */
+@SuppressWarnings("rawtypes")
+public class RestClient extends CoreObject {
+
+ private static final ConcurrentHashMap<Class,PartSerializer>
partSerializerCache = new ConcurrentHashMap<Class,PartSerializer>();
+
+ private final Map<String,String> headers;
+ private final CloseableHttpClient httpClient;
+ private final boolean keepHttpClientOpen;
+ private final UrlEncodingSerializer urlEncodingSerializer; // Used for
form posts only.
+ private final PartSerializer partSerializer;
+ private final String rootUrl;
+ private volatile boolean isClosed = false;
+ private final StackTraceElement[] creationStack;
+ private StackTraceElement[] closedStack;
+
+ // These are read directly by RestCall.
+ final Serializer serializer;
+ final Parser parser;
+ final RetryOn retryOn;
+ final int retries;
+ final long retryInterval;
+ final boolean debug;
+ final RestCallInterceptor[] intercepters;
+
+ // This is lazy-created.
+ private volatile ExecutorService executorService;
+ boolean executorServiceShutdownOnClose = true;
+
+
+ RestClient(
+ PropertyStore propertyStore,
+ CloseableHttpClient httpClient,
+ boolean keepHttpClientOpen,
+ Serializer serializer,
+ Parser parser,
+ UrlEncodingSerializer urlEncodingSerializer,
+ PartSerializer partSerializer,
+ Map<String,String> headers,
+ List<RestCallInterceptor> intercepters,
+ String rootUri,
+ RetryOn retryOn,
+ int retries,
+ long retryInterval,
+ boolean debug,
+ ExecutorService executorService,
+ boolean executorServiceShutdownOnClose) {
+ super(propertyStore);
+ this.httpClient = httpClient;
+ this.keepHttpClientOpen = keepHttpClientOpen;
+ this.serializer = serializer;
+ this.parser = parser;
+ this.urlEncodingSerializer = urlEncodingSerializer;
+ this.partSerializer = partSerializer;
+
+ Map<String,String> h2 = new
ConcurrentHashMap<String,String>(headers);
+
+ this.headers = Collections.unmodifiableMap(h2);
+ this.rootUrl = rootUri;
+ this.retryOn = retryOn;
+ this.retries = retries;
+ this.retryInterval = retryInterval;
+ this.debug = debug;
+
+ List<RestCallInterceptor> l = new
ArrayList<RestCallInterceptor>(intercepters);
+ if (debug)
+ l.add(RestCallLogger.DEFAULT);
+
+ this.intercepters = l.toArray(new
RestCallInterceptor[l.size()]);
+
+ if
(Boolean.getBoolean("org.apache.juneau.rest.client.RestClient.trackLifecycle"))
+ creationStack = Thread.currentThread().getStackTrace();
+ else
+ creationStack = null;
+
+ this.executorService = executorService;
+ this.executorServiceShutdownOnClose =
executorServiceShutdownOnClose;
+ }
+
+ /**
+ * Calls {@link CloseableHttpClient#close()} on the underlying {@link
CloseableHttpClient}.
+ *
+ * <p>
+ * It's good practice to call this method after the client is no longer
used.
+ *
+ * @throws IOException
+ */
+ public void close() throws IOException {
+ isClosed = true;
+ if (httpClient != null && ! keepHttpClientOpen)
+ httpClient.close();
+ if (executorService != null && executorServiceShutdownOnClose)
+ executorService.shutdown();
+ if
(Boolean.getBoolean("org.apache.juneau.rest.client.RestClient.trackLifecycle"))
+ closedStack = Thread.currentThread().getStackTrace();
+ }
+
+ /**
+ * Same as {@link #close()}, but ignores any exceptions.
+ */
+ public void closeQuietly() {
+ isClosed = true;
+ try {
+ if (httpClient != null && ! keepHttpClientOpen)
+ httpClient.close();
+ if (executorService != null &&
executorServiceShutdownOnClose)
+ executorService.shutdown();
+ } catch (Throwable t) {}
+ if
(Boolean.getBoolean("org.apache.juneau.rest.client.RestClient.trackLifecycle"))
+ closedStack = Thread.currentThread().getStackTrace();
+ }
+
+ /**
+ * Execute the specified request.
+ *
+ * <p>
+ * Subclasses can override this method to provide specialized handling.
+ *
+ * @param req The HTTP request.
+ * @return The HTTP response.
+ * @throws Exception
+ */
+ protected HttpResponse execute(HttpUriRequest req) throws Exception {
+ return httpClient.execute(req);
+ }
+
+ /**
+ * Perform a <code>GET</code> request against the specified URL.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doGet(Object url) throws RestCallException {
+ return doCall("GET", url, false);
+ }
+
+ /**
+ * Perform a <code>PUT</code> request against the specified URL.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @param o
+ * The object to serialize and transmit to the URL as the body of
the request.
+ * Can be of the following types:
+ * <ul class='spaced-list'>
+ * <li>
+ * {@link Reader} - Raw contents of {@code Reader}
will be serialized to remote resource.
+ * <li>
+ * {@link InputStream} - Raw contents of {@code
InputStream} will be serialized to remote resource.
+ * <li>
+ * {@link Object} - POJO to be converted to text
using the {@link Serializer} registered with the
+ * {@link RestClient}.
+ * <li>
+ * {@link HttpEntity} - Bypass Juneau
serialization and pass HttpEntity directly to HttpClient.
+ * </ul>
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request
+ * and getting the response as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doPut(Object url, Object o) throws RestCallException {
+ return doCall("PUT", url, true).input(o);
+ }
+
+ /**
+ * Same as {@link #doPut(Object, Object)} but don't specify the input
yet.
+ *
+ * <p>
+ * You must call either {@link RestCall#input(Object)} or {@link
RestCall#formData(String, Object)}
+ * to set the contents on the result object.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException
+ */
+ public RestCall doPut(Object url) throws RestCallException {
+ return doCall("PUT", url, true);
+ }
+
+ /**
+ * Perform a <code>POST</code> request against the specified URL.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @param o
+ * The object to serialize and transmit to the URL as the body of
the request.
+ * Can be of the following types:
+ * <ul class='spaced-list'>
+ * <li>
+ * {@link Reader} - Raw contents of {@code Reader}
will be serialized to remote resource.
+ * <li>
+ * {@link InputStream} - Raw contents of {@code
InputStream} will be serialized to remote resource.
+ * <li>
+ * {@link Object} - POJO to be converted to text
using the {@link Serializer} registered with the {@link RestClient}.
+ * <li>
+ * {@link HttpEntity} - Bypass Juneau
serialization and pass HttpEntity directly to HttpClient.
+ * </ul>
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doPost(Object url, Object o) throws RestCallException {
+ return doCall("POST", url, true).input(o);
+ }
+
+ /**
+ * Same as {@link #doPost(Object, Object)} but don't specify the input
yet.
+ *
+ * <p>
+ * You must call either {@link RestCall#input(Object)} or {@link
RestCall#formData(String, Object)} to set the
+ * contents on the result object.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException
+ */
+ public RestCall doPost(Object url) throws RestCallException {
+ return doCall("POST", url, true);
+ }
+
+ /**
+ * Perform a <code>DELETE</code> request against the specified URL.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doDelete(Object url) throws RestCallException {
+ return doCall("DELETE", url, false);
+ }
+
+ /**
+ * Perform an <code>OPTIONS</code> request against the specified URL.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doOptions(Object url) throws RestCallException {
+ return doCall("OPTIONS", url, true);
+ }
+
+ /**
+ * Perform a <code>POST</code> request with a content type of
<code>application/x-www-form-urlencoded</code>
+ * against the specified URL.
+ *
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @param o
+ * The object to serialize and transmit to the URL as the body of
the request, serialized as a form post
+ * using the {@link UrlEncodingSerializer#DEFAULT} serializer.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doFormPost(Object url, Object o) throws
RestCallException {
+ return doCall("POST", url, true)
+ .input(o instanceof HttpEntity ? o : new
RestRequestEntity(o, urlEncodingSerializer));
+ }
+
+ /**
+ * Performs a REST call where the entire call is specified in a simple
string.
+ *
+ * <p>
+ * This method is useful for performing callbacks when the target of a
callback is passed in
+ * on an initial request, for example to signal when a long-running
process has completed.
+ *
+ * <p>
+ * The call string can be any of the following formats:
+ * <ul class='spaced-list'>
+ * <li>
+ * <js>"[method] [url]"</js> - e.g. <js>"GET
http://localhost/callback";</js>
+ * <li>
+ * <js>"[method] [url] [payload]"</js> - e.g. <js>"POST
http://localhost/callback some text payload"</js>
+ * <li>
+ * <js>"[method] [headers] [url] [payload]"</js> - e.g.
<js>"POST {'Content-Type':'text/json'} http://localhost/callback
{'some':'json'}"</js>
+ * </ul>
+ * <p>
+ * The payload will always be sent using a simple {@link StringEntity}.
+ *
+ * @param callString The call string.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException
+ */
+ public RestCall doCallback(String callString) throws RestCallException {
+ String s = callString;
+ try {
+ RestCall rc = null;
+ String method = null, uri = null, content = null;
+ ObjectMap h = null;
+ int i = s.indexOf(' ');
+ if (i != -1) {
+ method = s.substring(0, i).trim();
+ s = s.substring(i).trim();
+ if (s.length() > 0) {
+ if (s.charAt(0) == '{') {
+ i = s.indexOf('}');
+ if (i != -1) {
+ String json =
s.substring(0, i+1);
+ h =
JsonParser.DEFAULT.parse(json, ObjectMap.class);
+ s =
s.substring(i+1).trim();
+ }
+ }
+ if (s.length() > 0) {
+ i = s.indexOf(' ');
+ if (i == -1)
+ uri = s;
+ else {
+ uri = s.substring(0,
i).trim();
+ s =
s.substring(i).trim();
+ if (s.length() > 0)
+ content = s;
+ }
+ }
+ }
+ }
+ if (method != null && uri != null) {
+ rc = doCall(method, uri, content != null);
+ if (content != null)
+ rc.input(new StringEntity(content));
+ if (h != null)
+ for (Map.Entry<String,Object> e :
h.entrySet())
+ rc.header(e.getKey(),
e.getValue());
+ return rc;
+ }
+ } catch (Exception e) {
+ throw new RestCallException(e);
+ }
+ throw new RestCallException("Invalid format for call string.");
+ }
+
+ /**
+ * Perform a generic REST call.
+ *
+ * @param method The HTTP method.
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @param content
+ * The HTTP body content.
+ * Can be of the following types:
+ * <ul class='spaced-list'>
+ * <li>
+ * {@link Reader} - Raw contents of {@code Reader}
will be serialized to remote resource.
+ * <li>
+ * {@link InputStream} - Raw contents of {@code
InputStream} will be serialized to remote resource.
+ * <li>
+ * {@link Object} - POJO to be converted to text
using the {@link Serializer} registered with the
+ * {@link RestClient}.
+ * <li>
+ * {@link HttpEntity} - Bypass Juneau
serialization and pass HttpEntity directly to HttpClient.
+ * <li>
+ * {@link NameValuePairs} - Converted to a
URL-encoded FORM post.
+ * </ul>
+ * This parameter is IGNORED if {@link HttpMethod#hasContent()} is
<jk>false</jk>.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doCall(HttpMethod method, Object url, Object content)
throws RestCallException {
+ RestCall rc = doCall(method.name(), url, method.hasContent());
+ if (method.hasContent())
+ rc.input(content);
+ return rc;
+ }
+
+ /**
+ * Perform a generic REST call.
+ *
+ * @param method The method name (e.g. <js>"GET"</js>,
<js>"OPTIONS"</js>).
+ * @param url
+ * The URL of the remote REST resource.
+ * Can be any of the following: {@link String}, {@link URI},
{@link URL}.
+ * @param hasContent Boolean flag indicating if the specified request
has content associated with it.
+ * @return
+ * A {@link RestCall} object that can be further tailored before
executing the request and getting the response
+ * as a parsed object.
+ * @throws RestCallException If any authentication errors occurred.
+ */
+ public RestCall doCall(String method, Object url, boolean hasContent)
throws RestCallException {
+ if (isClosed) {
+ Exception e2 = null;
+ if (closedStack != null) {
+ e2 = new Exception("Creation stack:");
+ e2.setStackTrace(closedStack);
+ throw new RestCallException("RestClient.close()
has already been called. This client cannot be reused.").initCause(e2);
+ }
+ throw new RestCallException("RestClient.close() has
already been called. This client cannot be reused. Closed location stack
trace can be displayed by setting the system property
'org.apache.juneau.rest.client.RestClient.trackCreation' to true.");
+ }
+
+ HttpRequestBase req = null;
+ RestCall restCall = null;
+ final String methodUC = method.toUpperCase(Locale.ENGLISH);
+ try {
+ if (hasContent) {
+ req = new HttpEntityEnclosingRequestBase() {
+ @Override /* HttpRequest */
+ public String getMethod() {
+ return methodUC;
+ }
+ };
+ restCall = new RestCall(this, req, toURI(url));
+ } else {
+ req = new HttpRequestBase() {
+ @Override /* HttpRequest */
+ public String getMethod() {
+ return methodUC;
+ }
+ };
+ restCall = new RestCall(this, req, toURI(url));
+ }
+ } catch (URISyntaxException e1) {
+ throw new RestCallException(e1);
+ }
+ for (Map.Entry<String,? extends Object> e : headers.entrySet())
+ restCall.header(e.getKey(), e.getValue());
+
+ if (parser != null && ! req.containsHeader("Accept"))
+ req.setHeader("Accept",
parser.getPrimaryMediaType().toString());
+
+ return restCall;
+ }
+
+ /**
+ * Create a new proxy interface against a REST interface.
+ *
+ * <p>
+ * The URL to the REST interface is based on the following values:
+ * <ul>
+ * <li>The {@link Remoteable#path() @Remoteable.path()} annotation
on the interface (<code>remoteable-path</code>).
+ * <li>The {@link RestClientBuilder#rootUrl(Object) rootUrl} on
the client (<code>root-url</code>).
+ * <li>The fully-qualified class name of the interface
(<code>class-name</code>).
+ * </ul>
+ *
+ * <p>
+ * The URL calculation is as follows:
+ * <ul>
+ * <li><code>remoteable-path</code> - If remoteable path is
absolute.
+ * <li><code>root-url/remoteable-path</code> - If remoteable path
is relative and root-url has been specified.
+ * <li><code>root-url/class-name</code> - If remoteable path is
not specified.
+ * </ul>
+ *
+ * <p>
+ * If the information is not available to resolve to an absolute URL, a
{@link RemoteableMetadataException} is thrown.
+ *
+ * <p>
+ * Examples:
+ * <p class='bcode'>
+ * <jk>package</jk> org.apache.foo;
+ *
+ *
<ja>@Remoteable</ja>(path=<js>"http://hostname/resturl/myinterface1";</js>)
+ * <jk>public interface</jk> MyInterface1 { ... }
+ *
+ * <ja>@Remoteable</ja>(path=<js>"/myinterface2"</js>)
+ * <jk>public interface</jk> MyInterface2 { ... }
+ *
+ * <jk>public interface</jk> MyInterface3 { ... }
+ *
+ * <jc>// Resolves to "http://localhost/resturl/myinterface1";</jc>
+ * MyInterface1 i1 = <jk>new</jk> RestClientBuilder()
+ * .build()
+ * .getRemoteableProxy(MyInterface1.<jk>class</jk>);
+ *
+ * <jc>// Resolves to "http://hostname/resturl/myinterface2";</jc>
+ * MyInterface2 i2 = <jk>new</jk> RestClientBuilder()
+ * .rootUrl(<js>"http://hostname/resturl";</js>)
+ * .build()
+ * .getRemoteableProxy(MyInterface2.<jk>class</jk>);
+ *
+ * <jc>// Resolves to
"http://hostname/resturl/org.apache.foo.MyInterface3";</jc>
+ * MyInterface3 i3 = <jk>new</jk> RestClientBuilder()
+ * .rootUrl(<js>"http://hostname/resturl";</js>)
+ * .build()
+ * .getRemoteableProxy(MyInterface3.<jk>class</jk>);
+ * </p>
+ *
+ * <h5 class='section'>Notes:</h5>
+ * <ul>
+ * <li>
+ * If you plan on using your proxy in a multi-threaded
environment, you'll want to use an underlying
+ * pooling client connection manager.
+ * The easiest way to do this is to use the {@link
RestClientBuilder#pooled()} method.
+ * If you don't do this, you may end up seeing "Connection
still allocated" exceptions.
+ * </ul>
+ *
+ * @param interfaceClass The interface to create a proxy for.
+ * @return The new proxy interface.
+ * @throws RemoteableMetadataException If the REST URI cannot be
determined based on the information given.
+ */
+ public <T> T getRemoteableProxy(final Class<T> interfaceClass) {
+ return getRemoteableProxy(interfaceClass, null);
+ }
+
+ /**
+ * Same as {@link #getRemoteableProxy(Class)} except explicitly
specifies the URL of the REST interface.
+ *
+ * @param interfaceClass The interface to create a proxy for.
+ * @param restUrl The URL of the REST interface.
+ * @return The new proxy interface.
+ */
+ public <T> T getRemoteableProxy(final Class<T> interfaceClass, final
Object restUrl) {
+ return getRemoteableProxy(interfaceClass, restUrl, serializer,
parser);
+ }
+
+ /**
+ * Same as {@link #getRemoteableProxy(Class, Object)} but allows you to
override the serializer and parser used.
+ *
+ * @param interfaceClass The interface to create a proxy for.
+ * @param restUrl The URL of the REST interface.
+ * @param serializer The serializer used to serialize POJOs to the body
of the HTTP request.
+ * @param parser The parser used to parse POJOs from the body of the
HTTP response.
+ * @return The new proxy interface.
+ */
+ @SuppressWarnings({ "unchecked", "hiding" })
+ public <T> T getRemoteableProxy(final Class<T> interfaceClass, Object
restUrl, final Serializer serializer, final Parser parser) {
+
+ if (restUrl == null) {
+ Remoteable r = getAnnotation(Remoteable.class,
interfaceClass);
+
+ String path = r == null ? "" : trimSlashes(r.path());
+ if (path.indexOf("://") == -1) {
+ if (rootUrl == null)
+ throw new
RemoteableMetadataException(interfaceClass, "Root URI has not been specified.
Cannot construct absolute path to remoteable proxy.");
+ path = trimSlashes(rootUrl) + '/' + path;
+ }
+ restUrl = path;
+ }
+
+ final String restUrl2 = restUrl.toString();
+
+ try {
+ return (T)Proxy.newProxyInstance(
+ interfaceClass.getClassLoader(),
+ new Class[] { interfaceClass },
+ new InvocationHandler() {
+
+ final RemoteableMeta rm = new
RemoteableMeta(interfaceClass, restUrl2);
+
+ @Override /* InvocationHandler */
+ public Object invoke(Object proxy,
Method method, Object[] args) throws Throwable {
+ RemoteableMethodMeta rmm =
rm.getMethodMeta(method);
+
+ if (rmm == null)
+ throw new
RuntimeException("Method is not exposed as a remoteable method.");
+
+ try {
+ String url =
rmm.getUrl();
+ String httpMethod =
rmm.getHttpMethod();
+ RestCall rc;
+ // this could be a
switch at language level 7
+ if
(httpMethod.equals("DELETE")) {
+ rc =
doDelete(url);
+ } else if
(httpMethod.equals("POST")) {
+ rc =
doPost(url);
+ } else if
(httpMethod.equals("GET")) {
+ rc = doGet(url);
+ } else if
(httpMethod.equals("PUT")) {
+ rc = doPut(url);
+ } else throw new
RuntimeException("Unsupported method.");
+
+
rc.serializer(serializer).parser(parser);
+
+ for (RemoteMethodArg a
: rmm.getPathArgs())
+ rc.path(a.name,
args[a.index], a.serializer);
+
+ for (RemoteMethodArg a
: rmm.getQueryArgs())
+
rc.query(a.name, args[a.index], a.skipIfNE, a.serializer);
+
+ for (RemoteMethodArg a
: rmm.getFormDataArgs())
+
rc.formData(a.name, args[a.index], a.skipIfNE, a.serializer);
+
+ for (RemoteMethodArg a
: rmm.getHeaderArgs())
+
rc.header(a.name, args[a.index], a.skipIfNE, a.serializer);
+
+ if (rmm.getBodyArg() !=
null)
+
rc.input(args[rmm.getBodyArg()]);
+
+ if
(rmm.getRequestBeanArgs().length > 0) {
+ BeanSession bs
= getBeanContext().createSession();
+
+ for
(RemoteMethodArg rma : rmm.getRequestBeanArgs()) {
+
BeanMap<?> bm = bs.toBeanMap(args[rma.index]);
+
+ for
(BeanPropertyValue bpv : bm.getValues(false)) {
+
BeanPropertyMeta pMeta = bpv.getMeta();
+
Object val = bpv.getValue();
+
+
Path p = pMeta.getAnnotation(Path.class);
+
if (p != null)
+
rc.path(getName(p.name(), p.value(), pMeta), val,
getPartSerializer(p.serializer(), rma.serializer));
+
+
if (val != null) {
+
Query q1 = pMeta.getAnnotation(Query.class);
+
if (q1 != null)
+
rc.query(getName(q1.name(), q1.value(), pMeta), val,
q1.skipIfEmpty(), getPartSerializer(q1.serializer(), rma.serializer));
+
+
QueryIfNE q2 = pMeta.getAnnotation(QueryIfNE.class);
+
if (q2 != null)
+
rc.query(getName(q2.name(), q2.value(), pMeta), val, true,
getPartSerializer(q2.serializer(), rma.serializer));
+
+
FormData f1 = pMeta.getAnnotation(FormData.class);
+
if (f1 != null)
+
rc.formData(getName(f1.name(), f1.value(), pMeta), val,
f1.skipIfEmpty(), getPartSerializer(f1.serializer(), rma.serializer));
+
+
FormDataIfNE f2 = pMeta.getAnnotation(FormDataIfNE.class);
+
if (f2 != null)
+
rc.formData(getName(f2.name(), f2.value(), pMeta), val, true,
getPartSerializer(f2.serializer(), rma.serializer));
+
+
org.apache.juneau.remoteable.Header h1 =
pMeta.getAnnotation(org.apache.juneau.remoteable.Header.class);
+
if (h1 != null)
+
rc.header(getName(h1.name(), h1.value(), pMeta), val,
h1.skipIfEmpty(), getPartSerializer(h1.serializer(), rma.serializer));
+
+
HeaderIfNE h2 = pMeta.getAnnotation(HeaderIfNE.class);
+
if (h2 != null)
+
rc.header(getName(h2.name(), h2.value(), pMeta), val, true,
getPartSerializer(h2.serializer(), rma.serializer));
+
}
+ }
+ }
+ }
+
+ if
(rmm.getOtherArgs().length > 0) {
+ Object[]
otherArgs = new Object[rmm.getOtherArgs().length];
+ int i = 0;
+ for (Integer
otherArg : rmm.getOtherArgs())
+
otherArgs[i++] = args[otherArg];
+
rc.input(otherArgs);
+ }
+
+ if (rmm.getReturns() ==
ReturnValue.HTTP_STATUS) {
+
rc.ignoreErrors();
+ int returnCode
= rc.run();
+ Class<?> rt =
method.getReturnType();
+ if (rt ==
Integer.class || rt == int.class)
+ return
returnCode;
+ if (rt ==
Boolean.class || rt == boolean.class)
+ return
returnCode < 400;
+ throw new
RestCallException("Invalid return type on method annotated with
@RemoteableMethod(returns=HTTP_STATUS). Only integer and booleans types are
valid.");
+ }
+
+ Object v =
rc.getResponse(method.getGenericReturnType());
+ if (v == null &&
method.getReturnType().isPrimitive())
+ v =
ClassUtils.getPrimitiveDefault(method.getReturnType());
+ return v;
+
+ } catch (RestCallException e) {
+ // Try to throw
original exception if possible.
+
e.throwServerException(interfaceClass.getClassLoader());
+ throw new
RuntimeException(e);
+ } catch (Exception e) {
+ throw new
RuntimeException(e);
+ }
+ }
+ });
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ private static String getName(String name1, String name2,
BeanPropertyMeta pMeta) {
+ String n = name1.isEmpty() ? name2 : name1;
+ ClassMeta<?> cm = pMeta.getClassMeta();
+ if (n.isEmpty() && (cm.isMapOrBean() || cm.isReader() ||
cm.isInstanceOf(NameValuePairs.class)))
+ n = "*";
+ if (n.isEmpty())
+ n = pMeta.getName();
+ return n;
+ }
+
+ private static PartSerializer getPartSerializer(Class c, PartSerializer
c2) {
+ if (c2 != null)
+ return c2;
+ if (c == PartSerializer.class)
+ return null;
+ PartSerializer pf = partSerializerCache.get(c);
+ if (pf == null) {
+ partSerializerCache.putIfAbsent(c,
newInstance(PartSerializer.class, c));
+ pf = partSerializerCache.get(c);
+ }
+ return pf;
+ }
+
+ private Pattern absUrlPattern = Pattern.compile("^\\w+\\:\\/\\/.*");
+
+ PartSerializer getPartSerializer() {
+ return partSerializer;
+ }
+
+ URI toURI(Object url) throws URISyntaxException {
+ if (url instanceof URI)
+ return (URI)url;
+ if (url instanceof URL)
+ ((URL)url).toURI();
+ if (url instanceof URIBuilder)
+ return ((URIBuilder)url).build();
+ String s = url == null ? "" : url.toString();
+ if (rootUrl != null && ! absUrlPattern.matcher(s).matches()) {
+ if (s.isEmpty())
+ s = rootUrl;
+ else {
+ StringBuilder sb = new StringBuilder(rootUrl);
+ if (! s.startsWith("/"))
+ sb.append('/');
+ sb.append(s);
+ s = sb.toString();
+ }
+ }
+ if (s.indexOf('{') != -1)
+ s = s.replace("{", "%7B").replace("}", "%7D");
+ return new URI(s);
+ }
+
+ ExecutorService getExecutorService(boolean create) {
+ if (executorService != null || ! create)
+ return executorService;
+ synchronized(this) {
+ if (executorService == null)
+ executorService = new ThreadPoolExecutor(1, 1,
30, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
+ return executorService;
+ }
+ }
+
+ @Override
+ protected void finalize() throws Throwable {
+ if (! isClosed && ! keepHttpClientOpen) {
+ System.err.println("WARNING: RestClient garbage
collected before it was finalized.");
+ if (creationStack != null) {
+ System.err.println("Creation Stack:");
+ for (StackTraceElement e : creationStack)
+ System.err.println(e);
+ } else {
+ System.err.println("Creation stack traces can
be displayed by setting the system property
'org.apache.juneau.rest.client.RestClient.trackLifecycle' to true.");
+ }
+ }
+ }
+}
Propchange:
release/incubator/juneau/juneau-rest-client/src/main/java/org/apache/juneau/rest/client/RestClient.java
------------------------------------------------------------------------------
svn:mime-type = text/plain
