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authormcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2010-05-05 15:29:01 +0000
committermcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2010-05-05 15:29:01 +0000
commitb1c8641a63a67e3c64d948f9e8dce5c01e11e2dd (patch)
tree0883f08a408f89f758e9a1be629232e3dd055c3a /utils/src/main/java/at/gv/egiz/bku
parent83a9b613836910f7edc370c2fe60fa2268dc4461 (diff)
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Merged feature branch mocca-1.2.13-id@r724 back to trunk.
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@725 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'utils/src/main/java/at/gv/egiz/bku')
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/ClasspathURLStreamHandler.java (renamed from utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/FormDataURLSupplier.java)30
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/DebugInputStream.java59
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/binding/Protocol.java5
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/HTTPURLProtocolHandlerImpl.java70
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/SimpleFormDataContextImpl.java41
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URIResolverAdapter.java150
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencer.java96
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerContext.java27
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerImpl.java108
-rw-r--r--utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLProtocolHandler.java6
10 files changed, 288 insertions, 304 deletions
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/FormDataURLSupplier.java b/utils/src/main/java/at/gv/egiz/bku/utils/ClasspathURLStreamHandler.java
index 7272f1bb..1cd46fb5 100644
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/FormDataURLSupplier.java
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/ClasspathURLStreamHandler.java
@@ -1,5 +1,5 @@
/*
-* Copyright 2008 Federal Chancellery Austria and
+* Copyright 2009 Federal Chancellery Austria and
* Graz University of Technology
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,13 +14,21 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package at.gv.egiz.bku.utils.urldereferencer;
-
-import java.io.InputStream;
-
-public interface FormDataURLSupplier {
- public static final String PROPERTY_KEY_NAME = "at.gv.egiz.bku.util.urldereferencer.FormDataURLSupplier";
-
- public InputStream getFormData(String aParameterName);
- public String getFormDataContentType(String aParameterName);
-} \ No newline at end of file
+
+package at.gv.egiz.bku.utils;
+
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLStreamHandler;
+
+public class ClasspathURLStreamHandler extends URLStreamHandler {
+
+ @Override
+ protected URLConnection openConnection(URL u) throws IOException {
+ ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+ URL resource = classLoader.getResource(u.getPath());
+ return resource.openConnection();
+ }
+
+}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/DebugInputStream.java b/utils/src/main/java/at/gv/egiz/bku/utils/DebugInputStream.java
new file mode 100644
index 00000000..b65baf5b
--- /dev/null
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/DebugInputStream.java
@@ -0,0 +1,59 @@
+/*
+* Copyright 2009 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed 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 at.gv.egiz.bku.utils;
+
+import java.io.ByteArrayOutputStream;
+import java.io.FilterInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class DebugInputStream extends FilterInputStream {
+
+ private ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
+ public DebugInputStream(InputStream in) {
+ super(in);
+ }
+
+ /* (non-Javadoc)
+ * @see java.io.FilterInputStream#read()
+ */
+ @Override
+ public int read() throws IOException {
+ int b = super.read();
+ buffer.write(b);
+ return b;
+ }
+
+ /* (non-Javadoc)
+ * @see java.io.FilterInputStream#read(byte[], int, int)
+ */
+ @Override
+ public int read(byte[] b, int off, int len) throws IOException {
+ int l = super.read(b, off, len);
+ if (l > 0) {
+ buffer.write(b, off, l);
+ }
+ return l;
+ }
+
+ public byte[] getBufferedBytes() {
+ return buffer.toByteArray();
+ }
+
+}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/binding/Protocol.java b/utils/src/main/java/at/gv/egiz/bku/utils/binding/Protocol.java
index f0504697..574d17a9 100644
--- a/utils/src/main/java/at/gv/egiz/bku/utils/binding/Protocol.java
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/binding/Protocol.java
@@ -17,7 +17,7 @@
package at.gv.egiz.bku.utils.binding;
public enum Protocol {
- HTTP("http"), HTTPS("https");
+ HTTP("http"), HTTPS("https"), SAML("saml");
private String name;
@@ -35,6 +35,9 @@ public enum Protocol {
}
if (HTTPS.toString().equalsIgnoreCase(protocol)) {
return HTTPS;
+ }
+ if (SAML.toString().equalsIgnoreCase(protocol)) {
+ return SAML;
}
return null;
}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/HTTPURLProtocolHandlerImpl.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/HTTPURLProtocolHandlerImpl.java
index dfe7d5e6..51288a9f 100644
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/HTTPURLProtocolHandlerImpl.java
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/HTTPURLProtocolHandlerImpl.java
@@ -17,7 +17,6 @@
package at.gv.egiz.bku.utils.urldereferencer;
import java.io.IOException;
-import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.InvalidParameterException;
@@ -26,86 +25,55 @@ import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSocketFactory;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
public class HTTPURLProtocolHandlerImpl implements URLProtocolHandler {
- private static Log log = LogFactory.getLog(HTTPURLProtocolHandlerImpl.class);
+ private final Logger log = LoggerFactory.getLogger(HTTPURLProtocolHandlerImpl.class);
public final static String HTTP = "http";
public final static String HTTPS = "https";
- public final static String FORMDATA = "formdata";
- public final static String[] PROTOCOLS = { HTTP, HTTPS, FORMDATA };
+
+ public final static String[] PROTOCOLS = { HTTP, HTTPS };
private HostnameVerifier hostnameVerifier;
private SSLSocketFactory sslSocketFactory;
- public StreamData dereference(String aUrl, URLDereferencerContext aContext)
+ public StreamData dereference(String url)
throws IOException {
- String urlString = aUrl.toLowerCase().trim();
- if (urlString.startsWith(FORMDATA)) {
- log.debug("Requested to dereference a formdata url");
- return dereferenceFormData(aUrl, aContext);
- }
-
- URL url = new URL(aUrl);
- if ((!HTTP.equalsIgnoreCase(url.getProtocol()) && (!HTTPS
- .equalsIgnoreCase(url.getProtocol())))) {
- throw new InvalidParameterException("Url " + aUrl + " not supported");
+ URL u = new URL(url);
+ if ((!HTTP.equalsIgnoreCase(u.getProtocol()) && (!HTTPS
+ .equalsIgnoreCase(u.getProtocol())))) {
+ throw new InvalidParameterException("Url " + url + " not supported");
}
- return dereferenceHTTP(url);
+ return dereferenceHTTP(u);
}
protected StreamData dereferenceHTTP(URL url) throws IOException {
- log.debug("Dereferencing url: " + url);
+ log.info("Dereferencing URL: '{}'.", url);
HttpURLConnection httpConn = (HttpURLConnection) url.openConnection();
if (httpConn instanceof HttpsURLConnection) {
- log.trace("Detected ssl connection");
+ log.trace("Detected ssl connection.");
HttpsURLConnection https = (HttpsURLConnection) httpConn;
if (sslSocketFactory != null) {
- log.debug("Setting custom ssl socket factory for ssl connection");
+ log.debug("Setting custom ssl socket factory for ssl connection.");
https.setSSLSocketFactory(sslSocketFactory);
} else {
- log.trace("No custom socket factory set");
+ log.trace("No custom socket factory set.");
}
if (hostnameVerifier != null) {
- log.debug("Setting custom hostname verifier");
+ log.debug("Setting custom hostname verifier.");
https.setHostnameVerifier(hostnameVerifier);
}
} else {
- log.trace("No secure connection with: "+url+ " class="+httpConn.getClass());
+ log.trace("No secure connection with: {} class={}.", url, httpConn.getClass());
}
- log.trace("Successfully opened connection");
+ log.trace("Successfully opened connection.");
return new StreamData(url.toString(), httpConn.getContentType(), httpConn
.getInputStream());
}
- /**
- *
- * @param aUrl
- * @param aContext
- * @return
- * @throws IOException if the data cannot be found or reading the stream failed.
- */
- protected StreamData dereferenceFormData(String aUrl,
- URLDereferencerContext aContext) throws IOException {
- log.debug("Dereferencing formdata url: " + aUrl);
- String[] parts = aUrl.split(":", 2);
- FormDataURLSupplier supplier = (FormDataURLSupplier) aContext
- .getProperty(FormDataURLSupplier.PROPERTY_KEY_NAME);
- if (supplier == null) {
- throw new NullPointerException(
- "No FormdataUrlSupplier found in provided context");
- }
- String contentType = supplier.getFormDataContentType(parts[1]);
- InputStream is = supplier.getFormData(parts[1]);
- if (is != null) {
- return new StreamData(aUrl, contentType, is);
- }
- throw new IOException("Cannot dereference url: formdata not found");
- }
-
@Override
public void setHostnameVerifier(HostnameVerifier hostnameVerifier) {
this.hostnameVerifier = hostnameVerifier;
@@ -116,4 +84,4 @@ public class HTTPURLProtocolHandlerImpl implements URLProtocolHandler {
this.sslSocketFactory = socketFactory;
}
-} \ No newline at end of file
+}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/SimpleFormDataContextImpl.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/SimpleFormDataContextImpl.java
deleted file mode 100644
index e9da9c81..00000000
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/SimpleFormDataContextImpl.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
-* Copyright 2008 Federal Chancellery Austria and
-* Graz University of Technology
-*
-* Licensed 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 at.gv.egiz.bku.utils.urldereferencer;
-
-public class SimpleFormDataContextImpl implements URLDereferencerContext {
- protected FormDataURLSupplier formdata;
-
- /**
- *
- * @param formdata must not be null
- */
- public SimpleFormDataContextImpl(FormDataURLSupplier formdata) {
- if (formdata == null) {
- throw new NullPointerException("FormdataURLSupplier must not be null");
- }
- this.formdata = formdata;
- }
-
- @Override
- public Object getProperty(Object key) {
- if (key.equals(FormDataURLSupplier.PROPERTY_KEY_NAME)) {
- return formdata;
- }
- return null;
- }
-
-}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URIResolverAdapter.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URIResolverAdapter.java
index 2d11010e..0dccbe8f 100644
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URIResolverAdapter.java
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URIResolverAdapter.java
@@ -14,83 +14,73 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package at.gv.egiz.bku.utils.urldereferencer;
-
-import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-
-import javax.xml.transform.Source;
-import javax.xml.transform.TransformerException;
-import javax.xml.transform.URIResolver;
-import javax.xml.transform.stream.StreamSource;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- * Adapter to make the Urldereferencer work as URIResolver for
- * Stylesheettransforms.
- *
- * @author wbauer
- *
- */
-public class URIResolverAdapter implements URIResolver {
-
- private static Log log = LogFactory.getLog(URIResolverAdapter.class);
-
- private URLDereferencer urlDereferencer;
- private URLDereferencerContext ctx;
-
- /**
- *
- * @param deferecencer
- * must not be null
- * @param ctx may be null
- */
- public URIResolverAdapter(URLDereferencer deferecencer,
- URLDereferencerContext ctx) {
- if (deferecencer == null) {
- throw new NullPointerException("Urlderefencer must not be set to null");
- }
- this.urlDereferencer = deferecencer;
- this.ctx = ctx;
- }
-
- @Override
- public Source resolve(String href, String base) throws TransformerException {
- log.debug("Resolving href: "+href+" base: "+base);
- try {
- URI baseUri = null;
- URI hrefUri = new URI(href);
- if (base != null) {
- baseUri = new URI(base);
- }
- URI abs;
- if (baseUri != null) {
- abs = baseUri.resolve(hrefUri);
- } else {
- abs = hrefUri;
- }
- if (!abs.isAbsolute()) {
- throw new TransformerException("Only absolute URLs are supported");
- }
- return new StreamSource(urlDereferencer.dereference(abs.toString(), ctx)
- .getStream());
- } catch (URISyntaxException e) {
- throw new TransformerException("Cannot resolve URI: base:" + base
- + " href:" + href, e);
- } catch (IOException iox) {
- throw new TransformerException("Cannot resolve URI: base:" + base
- + " href:" + href, iox);
- }
- }
-
- public URLDereferencerContext getCtx() {
- return ctx;
- }
-
- public void setCtx(URLDereferencerContext ctx) {
- this.ctx = ctx;
- }
-}
+package at.gv.egiz.bku.utils.urldereferencer;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.xml.transform.Source;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.URIResolver;
+import javax.xml.transform.stream.StreamSource;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Adapter to make the Urldereferencer work as URIResolver for
+ * Stylesheettransforms.
+ *
+ * @author wbauer
+ *
+ */
+public class URIResolverAdapter implements URIResolver {
+
+ private final Logger log = LoggerFactory.getLogger(URIResolverAdapter.class);
+
+ private URLDereferencer urlDereferencer;
+
+ /**
+ *
+ * @param deferecencer
+ * must not be null
+ * @param ctx may be null
+ */
+ public URIResolverAdapter(URLDereferencer deferecencer) {
+ if (deferecencer == null) {
+ throw new NullPointerException("Urlderefencer must not be set to null");
+ }
+ this.urlDereferencer = deferecencer;
+ }
+
+ @Override
+ public Source resolve(String href, String base) throws TransformerException {
+ log.debug("Resolving href: {} base: {}", href, base);
+ try {
+ URI baseUri = null;
+ URI hrefUri = new URI(href);
+ if (base != null) {
+ baseUri = new URI(base);
+ }
+ URI abs;
+ if (baseUri != null) {
+ abs = baseUri.resolve(hrefUri);
+ } else {
+ abs = hrefUri;
+ }
+ if (!abs.isAbsolute()) {
+ throw new TransformerException("Only absolute URLs are supported");
+ }
+ return new StreamSource(urlDereferencer.dereference(abs.toString())
+ .getStream());
+ } catch (URISyntaxException e) {
+ throw new TransformerException("Cannot resolve URI: base:" + base
+ + " href:" + href, e);
+ } catch (IOException iox) {
+ throw new TransformerException("Cannot resolve URI: base:" + base
+ + " href:" + href, iox);
+ }
+ }
+
+}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencer.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencer.java
index 7361ec26..468610e4 100644
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencer.java
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencer.java
@@ -1,5 +1,5 @@
/*
-* Copyright 2008 Federal Chancellery Austria and
+* Copyright 2009 Federal Chancellery Austria and
* Graz University of Technology
*
* Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,95 +14,13 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package at.gv.egiz.bku.utils.urldereferencer;
-
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.util.HashMap;
-import java.util.Map;
-import javax.net.ssl.HostnameVerifier;
-import javax.net.ssl.SSLSocketFactory;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- * Class used to dereference (external URLs).
- *
- * @author wbauer
- *
- */
-public class URLDereferencer {
-
- private static Log log = LogFactory.getLog(URLDereferencer.class);
-
- private static URLDereferencer instance = new URLDereferencer();
-
- private Map<String, URLProtocolHandler> handlerMap = new HashMap<String, URLProtocolHandler>();
+package at.gv.egiz.bku.utils.urldereferencer;
- private HostnameVerifier hostnameVerifier;
- private SSLSocketFactory sslSocketFactory;
-
- private URLDereferencer() {
- registerHandlers();
- }
-
- /**
- *
- * @param aUrl
- * must not be null
- * @param aContext
- * @throws MalformedURLException
- * if the protocol is not supported
- * @throws IOException if the url cannot be dereferenced (e.g. formdata not provided)
- *
- */
- public StreamData dereference(String aUrl, URLDereferencerContext aContext)
- throws IOException {
- log.debug("Looking for handler for URL: " + aUrl);
- int i = aUrl.indexOf(":");
- if (i == -1) {
- throw new MalformedURLException("Invalid url: " + aUrl);
- }
- String protocol = aUrl.substring(0, i).toLowerCase().trim();
- URLProtocolHandler handler = handlerMap.get(protocol);
- if (handler == null) {
- throw new MalformedURLException("No handler for protocol: " + protocol
- + " found");
- }
- handler.setHostnameVerifier(hostnameVerifier);
- handler.setSSLSocketFactory(sslSocketFactory);
- return handler.dereference(aUrl, aContext);
- }
-
- /**
- * Registers a handler for a protocol.
- *
- * @param aProtocol
- * @param aHandler
- * may be set to null to disable this protocol
- */
- public void registerHandler(String aProtocol, URLProtocolHandler aHandler) {
- handlerMap.put(aProtocol.toLowerCase(), aHandler);
- }
-
- public static URLDereferencer getInstance() {
- return instance;
- }
-
- protected void registerHandlers() {
- URLProtocolHandler handler = new HTTPURLProtocolHandlerImpl();
- for (String proto : HTTPURLProtocolHandlerImpl.PROTOCOLS) {
- handlerMap.put(proto, handler);
- }
- }
+import java.io.IOException;
+
+public interface URLDereferencer {
- public void setHostnameVerifier(HostnameVerifier hostnameVerifier) {
- this.hostnameVerifier = hostnameVerifier;
- }
+ public StreamData dereference(String aUrl) throws IOException;
- public void setSSLSocketFactory(SSLSocketFactory socketFactory) {
- this.sslSocketFactory = socketFactory;
- }
-} \ No newline at end of file
+}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerContext.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerContext.java
deleted file mode 100644
index 6befd5b3..00000000
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerContext.java
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
-* Copyright 2008 Federal Chancellery Austria and
-* Graz University of Technology
-*
-* Licensed 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 at.gv.egiz.bku.utils.urldereferencer;
-
-public interface URLDereferencerContext {
-
- /**
- *
- * @param key
- * @return may return null
- */
- public Object getProperty(Object key);
-} \ No newline at end of file
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerImpl.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerImpl.java
new file mode 100644
index 00000000..d1a68c46
--- /dev/null
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLDereferencerImpl.java
@@ -0,0 +1,108 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed 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 at.gv.egiz.bku.utils.urldereferencer;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLSocketFactory;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Class used to dereference (external URLs).
+ *
+ * @author wbauer
+ *
+ */
+public class URLDereferencerImpl implements URLDereferencer {
+
+ private final Logger log = LoggerFactory.getLogger(URLDereferencerImpl.class);
+
+ private static URLDereferencerImpl instance = new URLDereferencerImpl();
+
+ private Map<String, URLProtocolHandler> handlerMap = new HashMap<String, URLProtocolHandler>();
+
+ private HostnameVerifier hostnameVerifier;
+ private SSLSocketFactory sslSocketFactory;
+
+ private URLDereferencerImpl() {
+ registerHandlers();
+ }
+
+ /**
+ *
+ * @param aUrl
+ * must not be null
+ * @throws MalformedURLException
+ * if the protocol is not supported
+ * @throws IOException if the url cannot be dereferenced (e.g. formdata not provided)
+ *
+ */
+ @Override
+ public StreamData dereference(String aUrl)
+ throws IOException {
+ log.debug("Looking for handler for URL: {}.", aUrl);
+ int i = aUrl.indexOf(":");
+ if (i == -1) {
+ throw new MalformedURLException("Invalid url: " + aUrl);
+ }
+ String protocol = aUrl.substring(0, i).toLowerCase().trim();
+ URLProtocolHandler handler = handlerMap.get(protocol);
+ if (handler == null) {
+ throw new MalformedURLException("No handler for protocol: " + protocol
+ + " found");
+ }
+ handler.setHostnameVerifier(hostnameVerifier);
+ handler.setSSLSocketFactory(sslSocketFactory);
+ return handler.dereference(aUrl);
+ }
+
+ /**
+ * Registers a handler for a protocol.
+ *
+ * @param aProtocol
+ * @param aHandler
+ * may be set to null to disable this protocol
+ */
+ public void registerHandler(String aProtocol, URLProtocolHandler aHandler) {
+ handlerMap.put(aProtocol.toLowerCase(), aHandler);
+ }
+
+ public static URLDereferencerImpl getInstance() {
+ return instance;
+ }
+
+ protected void registerHandlers() {
+ URLProtocolHandler handler = new HTTPURLProtocolHandlerImpl();
+ for (String proto : HTTPURLProtocolHandlerImpl.PROTOCOLS) {
+ handlerMap.put(proto, handler);
+ }
+ }
+
+ public void setHostnameVerifier(HostnameVerifier hostnameVerifier) {
+ this.hostnameVerifier = hostnameVerifier;
+ }
+
+ public void setSSLSocketFactory(SSLSocketFactory socketFactory) {
+ this.sslSocketFactory = socketFactory;
+ }
+}
diff --git a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLProtocolHandler.java b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLProtocolHandler.java
index f886bd4e..1da1ad71 100644
--- a/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLProtocolHandler.java
+++ b/utils/src/main/java/at/gv/egiz/bku/utils/urldereferencer/URLProtocolHandler.java
@@ -17,7 +17,6 @@
package at.gv.egiz.bku.utils.urldereferencer;
import java.io.IOException;
-import java.net.MalformedURLException;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLSocketFactory;
@@ -26,12 +25,11 @@ import javax.net.ssl.SSLSocketFactory;
public interface URLProtocolHandler {
/**
*
- * @param aUrl
- * @param aContext
+ * @param url
* @return the streamdata of this url or null if the url cannot be resolved.
* @throws IOException
*/
- public StreamData dereference(String aUrl, URLDereferencerContext aContext) throws IOException;
+ public StreamData dereference(String url) throws IOException;
public void setSSLSocketFactory(SSLSocketFactory socketFactory);