From 875e50908c2630d263661af492654cd44bef2d65 Mon Sep 17 00:00:00 2001 From: jsdelfino Date: Tue, 25 Jan 2011 23:30:28 +0000 Subject: Sandbox to experiment with dynamic mass virtual hosting and running a different composite per vhost. git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1063520 13f79535-47bb-0310-9956-ffa450edef68 --- .../tuscany/sca/common/http/HTTPCacheContext.java | 280 +++++++++++++++++++++ .../tuscany/sca/common/http/HTTPConstants.java | 36 +++ .../sca/common/http/HTTPContentTypeMapper.java | 58 +++++ .../tuscany/sca/common/http/HTTPContext.java | 46 ++++ .../apache/tuscany/sca/common/http/HTTPHeader.java | 78 ++++++ .../apache/tuscany/sca/common/http/HTTPUtils.java | 110 ++++++++ 6 files changed, 608 insertions(+) create mode 100644 sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPCacheContext.java create mode 100644 sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPConstants.java create mode 100644 sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContentTypeMapper.java create mode 100644 sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContext.java create mode 100644 sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPHeader.java create mode 100644 sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtils.java (limited to 'sandbox/sebastien/java/vhost/modules/common-http/src') diff --git a/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPCacheContext.java b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPCacheContext.java new file mode 100644 index 0000000000..08faf6a14b --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPCacheContext.java @@ -0,0 +1,280 @@ +/* + * 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.tuscany.sca.common.http; + +import java.text.SimpleDateFormat; +import java.util.Date; + +import javax.servlet.http.HttpServletRequest; + +/** + * A class to store cache settings for Atom and HTTP requests and responses. + * + * Predicates are statements that work in conjunction with + * ETags and LastModified dates to determine if a precondition + * or postcondition is satisfied. + * See HTTP specification for how predicates wrk: + * http://tools.ietf.org/html/rfc2616 + * Example predicates in HTTP include If-Match, If-None-Match, + * If-Modified-Since, If-Unmodified-Since, If-Range. + * + * @version $Rev$ $Date$ + */ +public class HTTPCacheContext { + public static final SimpleDateFormat RFC822DateFormat = new SimpleDateFormat( "EEE, dd MMM yyyy HH:mm:ss Z" ); // RFC 822 date time + + public boolean enabled; + public String eTag; + public String lastModified; + public Date lastModifiedDate; + public boolean ifModifiedSince; + public boolean ifUnmodifiedSince; + public boolean ifMatch; + public boolean ifNoneMatch; + public boolean ifRange; + + + /** + * Enabled is true whenever ETag, LastModified, or predicate is set. + * @return the enabled + */ + public boolean isEnabled() { + return enabled; + } + + /** + * @param enabled the enabled to set + */ + public void setEnabled(boolean enabled) { + this.enabled = enabled; + } + + /** + * An ETag is a unique ID for an item. It changes when + * a field in the item or the update date changes. + * See HTTP specification for how ETags work: + * http://tools.ietf.org/html/rfc2616 + * @return the eTag + */ + public String getETag() { + return eTag; + } + + /** + * @param tag the eTag to set + */ + public void setETag(String tag) { + eTag = tag; + enabled = true; + } + + /** + * The LastModified date is the time the item was last + * changed. See HTTP specification for how ETags work: + * http://tools.ietf.org/html/rfc2616 + * @return the lastModified + */ + public String getLastModified() { + return lastModified; + } + + /** + * The LastModified date is the time the item was last + * changed. See HTTP specification for how ETags work: + * http://tools.ietf.org/html/rfc2616 + * @return the lastModified + */ + public Date getLastModifiedAsDate() { + return lastModifiedDate; + } + + /** + * @param lastModified the lastModified to set + */ + public void setLastModified(String lastModified) throws java.text.ParseException { + this.lastModified = lastModified; + // Catch date formatting on input to help debugging. + lastModifiedDate = RFC822DateFormat.parse( lastModified ); + enabled = true; + } + + /** + * @param lastModified the lastModified to set + */ + public void setLastModified(Date updated) { + this.lastModified = RFC822DateFormat.format( updated ); + lastModifiedDate = updated; + enabled = true; + } + + /** + * @return the ifModifedSince + */ + public boolean isIfModifiedSince() { + return ifModifiedSince; + } + + /** + * @param ifModifedSince the ifModifedSince to set + */ + public void setIfModifiedSince(boolean ifModifiedSince) { + this.ifModifiedSince = ifModifiedSince; + if ( ifModifiedSince ) { + enabled = true; + } + } + + /** + * @return the ifUnModifiedSince + */ + public boolean isIfUnmodifiedSince() { + return ifUnmodifiedSince; + } + + /** + * @param ifUnModifiedSince the ifUnModifiedSince to set + */ + public void setIfUnmodifiedSince(boolean ifUnmodifiedSince) { + this.ifUnmodifiedSince = ifUnmodifiedSince; + if ( ifUnmodifiedSince ) { + enabled = true; + } + } + + /** + * @return the ifMatch + */ + public boolean isIfMatch() { + return ifMatch; + } + + /** + * @param ifMatch the ifMatch to set + */ + public void setIfMatch(boolean ifMatch) { + this.ifMatch = ifMatch; + if ( ifMatch ) { + enabled = true; + } + } + + /** + * @return the ifNoneMatch + */ + public boolean isIfNoneMatch() { + return ifNoneMatch; + } + + /** + * @param ifNoneMatch the ifNoneMatch to set + */ + public void setIfNoneMatch(boolean ifNoneMatch) { + this.ifNoneMatch = ifNoneMatch; + if ( ifNoneMatch ) { + enabled = true; + } + } + + /** + * @return the ifRange + */ + public boolean isIfRange() { + return ifRange; + } + + /** + * @param ifRange the ifRange to set + */ + public void setIfRange(boolean ifRange) { + this.ifRange = ifRange; + if ( ifRange ) { + enabled = true; + } + } + + /** + * Gets the cache context information (ETag, LastModified, predicates) from the Http request. + * @param request + * @return + */ + public static HTTPCacheContext createCacheContextFromRequest( HttpServletRequest request ) throws java.text.ParseException { + HTTPCacheContext context = new HTTPCacheContext(); + + String eTag = request.getHeader( "If-Match" ); + if ( eTag != null ) { + context.setETag( eTag ); + context.setIfMatch( true ); + } + eTag = request.getHeader( "If-None-Match" ); + if ( eTag != null ) { + context.setETag( eTag ); + context.setIfNoneMatch( true ); + } + String lastModifiedString = request.getHeader( "If-Modified-Since" ); + if ( lastModifiedString != null ) { + context.setLastModified( lastModifiedString ); + context.setIfModifiedSince( true ); + } + lastModifiedString = request.getHeader( "If-Unmodified-Since" ); + if ( lastModifiedString != null ) { + context.setLastModified( lastModifiedString ); + context.setIfUnmodifiedSince( true ); + } + lastModifiedString = request.getHeader( "If-Range" ); + if ( lastModifiedString != null ) { + context.setLastModified( lastModifiedString ); + context.setIfRange( true ); + } + return context; + } + + public String toString() { + final String PREDPREFIX = ", predicates="; + StringBuffer sb = new StringBuffer(PREDPREFIX); + if ( ifMatch || ifNoneMatch || ifModifiedSince || ifUnmodifiedSince || ifRange ) { + if ( ifMatch ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-Match"); + } + if ( ifNoneMatch ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-None-Match"); + } + if ( ifModifiedSince ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-Modified-Since"); + } + if ( ifUnmodifiedSince ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-UnModified-Since"); + } + if ( ifRange ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-Range"); + } + } else { + sb.append("null"); + } + + return "eTag=" + eTag + ", lastModified=" + lastModified + + sb.toString(); + } + +} diff --git a/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPConstants.java b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPConstants.java new file mode 100644 index 0000000000..056e7f5f54 --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPConstants.java @@ -0,0 +1,36 @@ +/* + * 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.tuscany.sca.common.http; + +/** + * HTTP generic constants + * + * @version $Rev$ $Date$ + */ +public interface HTTPConstants { + public static final String CHARACTER_ENCODING_UTF8 = "UTF-8"; + + public static final String HTM = "htm"; + public static final String HTML = "html"; + public static final String JAVASCRIPT = "js"; + + public static final String HTML_CONTENT_TYPE = "text/html"; + public static final String JAVASCRIPT_CONTENT_TYPE = "text/javascript"; +} diff --git a/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContentTypeMapper.java b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContentTypeMapper.java new file mode 100644 index 0000000000..035e7c0fa6 --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContentTypeMapper.java @@ -0,0 +1,58 @@ +/* + * 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.tuscany.sca.common.http; + +import java.util.HashMap; +import java.util.Map; + +/** + * Utility class to provide default HTTP Content-Type header + * based on resource type + * + * @version $Rev$ $Date$ + */ +public class HTTPContentTypeMapper implements HTTPConstants{ + private static Map contentTypeTable = new HashMap(); + + static { + contentTypeTable.put(HTM, HTML_CONTENT_TYPE); + contentTypeTable.put(HTML, HTML_CONTENT_TYPE); + contentTypeTable.put(JAVASCRIPT, JAVASCRIPT_CONTENT_TYPE); + } + + /** + * Provided a resource path, identify default content-type based on the resource extension + * @param resourcePath + * @return + */ + public static String getContentType(String resourcePath) { + return contentTypeTable.get(getResourceType(resourcePath)); + } + + /** + * Utility function to calculate file type based on its extension + * Useful to map HTTP content-type based on file extension + * @param resource the resource/file name + * @return the resource type/extension + */ + private static String getResourceType(String resource) { + return resource.substring(resource.lastIndexOf(".") + 1); + } +} diff --git a/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContext.java b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContext.java new file mode 100644 index 0000000000..3324be6ef1 --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPContext.java @@ -0,0 +1,46 @@ +/* + * 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.tuscany.sca.common.http; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +/** + * HTTP Context used as binding context in HTTP related bindings + * + * @version $Rev$ $Date$ + */ +public class HTTPContext { + private HttpServletRequest request; + private HttpServletResponse response; + + public HttpServletRequest getHttpRequest() { + return request; + } + public void setHttpRequest(HttpServletRequest request) { + this.request = request; + } + public HttpServletResponse getHttpResponse() { + return response; + } + public void setHttpResponse(HttpServletResponse response) { + this.response = response; + } +} diff --git a/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPHeader.java b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPHeader.java new file mode 100644 index 0000000000..63f62d1e5c --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPHeader.java @@ -0,0 +1,78 @@ +/* + * 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.tuscany.sca.common.http; + +/** + * Wrapper for HTTP header name/value pair + * + * @version $Rev$ $Date$ + */ + +public class HTTPHeader { + private String name; + private String value; + + public HTTPHeader() { + super(); + } + + public HTTPHeader(String name, String value) { + super(); + this.name = name; + this.value = value; + } + + /** + * Get header name + * @return the header name + */ + public String getName() { + return name; + } + + /** + * Set header value + * @param name the header name + */ + public void setName(String name) { + this.name = name; + } + + /** + * Get header value + * @return the header value + */ + public String getValue() { + return value; + } + + /** + * Set header value + * @param value the header value + */ + public void setValue(String value) { + this.value = value; + } + + @Override + public String toString() { + return "HTTPHeader [name=" + name + ", value=" + value + "]"; + } +} diff --git a/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtils.java b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtils.java new file mode 100644 index 0000000000..6ab6216522 --- /dev/null +++ b/sandbox/sebastien/java/vhost/modules/common-http/src/main/java/org/apache/tuscany/sca/common/http/HTTPUtils.java @@ -0,0 +1,110 @@ +/* + * 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.tuscany.sca.common.http; + +import java.math.BigInteger; +import java.security.MessageDigest; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +/** + * + * @tuscany.spi.extension.asclient + * + */ +public class HTTPUtils { + + /** + * Utility method to set common http headers and other stuff in a + * default http response. Applications / Extensions can then override and + * tweak as they see fit. + * + * @param response + */ + public static void prepareHTTPResponse(HttpServletResponse response) { + response.setDateHeader("Date", System.currentTimeMillis()); + } + + /** + * Calculate the relative request path taking in consideration if + * the application is running in a embedded webContatiner or from + * within a web application server host environment + * + * @param request The http request + * @return the relative path + */ + public static String getRequestPath(HttpServletRequest request) { + // Get the request path + String contextPath = request.getContextPath(); + String servletPath = request.getServletPath(); + String requestURI = request.getRequestURI(); + + int contextPathLength = contextPath.length(); + int servletPathLenght = servletPath.contains(contextPath) ? servletPath.length() - contextPath.length() : servletPath.length(); + + String requestPath = requestURI.substring(contextPathLength + servletPathLenght); + + return requestPath; + } + + /** + * Calculate the context root for an application taking in consideration if + * the application is running in a embedded webContatiner or from + * within a web application server host environment. + * + * In the case of webContainer the contextRoot will always be a empty string. + * + * @param request The http request + * @return the contextRoot + */ + public static String getContextRoot(HttpServletRequest request) { + // Get the request path + String contextPath = request.getContextPath(); + String requestURI = request.getRequestURI(); + + int contextPathLength = contextPath.length(); + + String contextRoot = requestURI.substring(0, contextPathLength); + + return contextRoot; + } + + /** + * Calculate the ETag using MD5 Hash Algorithm + * @param content the content to hash + * @return + */ + public static String calculateHashETag(byte[] content) { + String eTag = "invalid"; + try { + MessageDigest messageDigest = MessageDigest.getInstance("MD5"); + byte[] digest = messageDigest.digest(content); + BigInteger number = new BigInteger(1, digest); + StringBuffer sb = new StringBuffer('0'); + sb.append(number.toString(16)); + eTag = sb.toString(); + } catch(Exception e) { + //ignore, we will return random etag + eTag = Integer.toString((new java.util.Random()).nextInt(Integer.MAX_VALUE)); + } + return eTag; + } +} -- cgit v1.2.3