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* http://glassfish.java.net/public/CDDL+GPL_1_1.html
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package com.sun.jersey.spi.container;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.net.URI;
import java.security.Principal;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.PathSegment;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.Variant;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import com.sun.jersey.api.MessageException;
import com.sun.jersey.api.Responses;
import com.sun.jersey.api.container.MappableContainerException;
import com.sun.jersey.api.core.HttpRequestContext;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.core.TraceInformation;
import com.sun.jersey.api.representation.Form;
import com.sun.jersey.api.uri.UriComponent;
import com.sun.jersey.core.header.AcceptableLanguageTag;
import com.sun.jersey.core.header.InBoundHeaders;
import com.sun.jersey.core.header.MatchingEntityTag;
import com.sun.jersey.core.header.MediaTypes;
import com.sun.jersey.core.header.QualitySourceMediaType;
import com.sun.jersey.core.header.reader.HttpHeaderReader;
import com.sun.jersey.core.reflection.ReflectionHelper;
import com.sun.jersey.core.util.MultivaluedMapImpl;
import com.sun.jersey.core.util.ReaderWriter;
import com.sun.jersey.server.impl.VariantSelector;
import com.sun.jersey.server.impl.model.HttpHelper;
import com.sun.jersey.spi.MessageBodyWorkers;
/**
* An in-bound HTTP request to be processed by the web application.
* <p/>
* Containers instantiate, or inherit, and provide an instance to the
* {@link WebApplication}.
* <p/>
* By default the implementation of {@link SecurityContext} will throw
* {@link UnsupportedOperationException} if the methods are invoked.
* Containers SHOULD use the method {@link #setSecurityContext(javax.ws.rs.core.SecurityContext) }
* to define security context behaviour rather than extending from this class
* and overriding the methods.
*
* @author Paul.Sandoz@Sun.Com
* @author pavel.bucek@oracle.com
*/
public class ContainerRequest implements HttpRequestContext {
private static final Logger LOGGER = Logger.getLogger(ContainerRequest.class.getName());
private static final Annotation[] EMPTY_ANNOTATIONS = new Annotation[0];
public static final String VARY_HEADER = "Vary";
private final WebApplication wa;
private final boolean isTraceEnabled;
private Map<String, Object> properties;
private String method;
private InputStream entity;
private URI baseUri;
private URI requestUri;
private URI absolutePathUri;
private String encodedPath;
private String decodedPath;
private List<PathSegment> decodedPathSegments;
private List<PathSegment> encodedPathSegments;
private MultivaluedMap<String, String> decodedQueryParameters;
private MultivaluedMap<String, String> encodedQueryParameters;
private InBoundHeaders headers;
private int headersModCount;
private MediaType contentType;
private List<MediaType> accept;
private List<Locale> acceptLanguages;
private Map<String, Cookie> cookies;
private MultivaluedMap<String, String> cookieNames;
private SecurityContext securityContext;
/**
* Create a new container request.
* <p/>
* The base URI and the request URI must contain the same scheme, user info,
* host and port components.
* <p/>
* The base URI must not contain the query and fragment components. The
* encoded path component of the request URI must start with the encoded
* path component of the base URI. The encoded path component of the base
* URI must end in a '/' character.
*
* @param wa the web application
* @param method the HTTP method
* @param baseUri the base URI of the request
* @param requestUri the request URI
* @param headers the request headers
* @param entity the InputStream of the request entity
*/
public ContainerRequest(
WebApplication wa,
String method,
URI baseUri,
URI requestUri,
InBoundHeaders headers,
InputStream entity) {
this.wa = wa;
this.isTraceEnabled = wa.isTracingEnabled();
this.method = method;
this.baseUri = baseUri;
this.requestUri = requestUri;
this.headers = headers;
this.headersModCount = headers.getModCount();
this.entity = entity;
}
/* package */ ContainerRequest(ContainerRequest r) {
this.wa = r.wa;
this.isTraceEnabled = r.isTraceEnabled;
}
// ContainerRequest
/**
* Get the mutable properties.
* <p/>
* Care should be taken not to clear the properties or remove properties
* that are unknown otherwise unspecified behaviour may result.
*
* @return the properties.
*/
public Map<String, Object> getProperties() {
if (properties != null) {
return properties;
}
return properties = new HashMap<String, Object>();
}
/**
* Set the HTTP method.
*
* @param method the method.
*/
public void setMethod(String method) {
this.method = method;
}
/**
* Set the base and request URI.
*
* @param baseUri the base URI.
* @param requestUri the (complete) request URI.
*/
public void setUris(URI baseUri, URI requestUri) {
this.baseUri = baseUri;
this.requestUri = requestUri;
// reset state
absolutePathUri = null;
encodedPath = decodedPath = null;
decodedPathSegments = encodedPathSegments = null;
decodedQueryParameters = encodedQueryParameters = null;
}
/**
* Get the input stream of the entity.
*
* @return the input stream of the entity.
*/
public InputStream getEntityInputStream() {
return entity;
}
/**
* Set the input stream of the entity.
*
* @param entity the input stream of the entity.
*/
public void setEntityInputStream(InputStream entity) {
this.entity = entity;
}
/**
* Set the request headers.
*
* @param headers the request headers.
*/
public void setHeaders(InBoundHeaders headers) {
this.headers = headers;
this.headersModCount = headers.getModCount();
// reset state
contentType = null;
accept = null;
cookies = null;
cookieNames = null;
}
/**
* Set the security context.
*
* @param securityContext the security context.
*/
public void setSecurityContext(SecurityContext securityContext) {
this.securityContext = securityContext;
}
/**
* Get the security context.
*
* @return the security context.
*/
public SecurityContext getSecurityContext() {
return securityContext;
}
/**
* Get the message body workers.
*
* @return the message body workers.
*/
public MessageBodyWorkers getMessageBodyWorkers() {
return wa.getMessageBodyWorkers();
}
// Traceable
@Override
public boolean isTracingEnabled() {
return isTraceEnabled;
}
@Override
public void trace(String message) {
if (!isTracingEnabled())
return;
if (wa.getFeaturesAndProperties().getFeature(ResourceConfig.FEATURE_TRACE_PER_REQUEST) &&
!getRequestHeaders().containsKey("X-Jersey-Trace-Accept"))
return;
TraceInformation ti = (TraceInformation) getProperties().
get(TraceInformation.class.getName());
ti.trace(message);
}
// HttpRequestContext
@Override
public URI getBaseUri() {
return baseUri;
}
@Override
public UriBuilder getBaseUriBuilder() {
return UriBuilder.fromUri(getBaseUri());
}
@Override
public URI getRequestUri() {
return requestUri;
}
@Override
public UriBuilder getRequestUriBuilder() {
return UriBuilder.fromUri(getRequestUri());
}
@Override
public URI getAbsolutePath() {
if (absolutePathUri != null) return absolutePathUri;
return absolutePathUri = UriBuilder.fromUri(requestUri).
replaceQuery("").fragment("").
build();
}
@Override
public UriBuilder getAbsolutePathBuilder() {
return UriBuilder.fromUri(getAbsolutePath());
}
@Override
public String getPath() {
return getPath(true);
}
@Override
public String getPath(boolean decode) {
if (decode) {
if (decodedPath != null) return decodedPath;
return decodedPath = UriComponent.decode(
getEncodedPath(),
UriComponent.Type.PATH);
} else {
return getEncodedPath();
}
}
private String getEncodedPath() {
if (encodedPath != null) return encodedPath;
final int length = getBaseUri().getRawPath().length();
if(length < getRequestUri().getRawPath().length()) {
return encodedPath = getRequestUri().getRawPath().substring(length);
} else {
return "";
}
}
@Override
public List<PathSegment> getPathSegments() {
return getPathSegments(true);
}
@Override
public List<PathSegment> getPathSegments(boolean decode) {
if (decode) {
if (decodedPathSegments != null)
return decodedPathSegments;
return decodedPathSegments = UriComponent.decodePath(getPath(false), true);
} else {
if (encodedPathSegments != null)
return encodedPathSegments;
return encodedPathSegments = UriComponent.decodePath(getPath(false), false);
}
}
@Override
public MultivaluedMap<String, String> getQueryParameters() {
return getQueryParameters(true);
}
@Override
public MultivaluedMap<String, String> getQueryParameters(boolean decode) {
if (decode) {
if (decodedQueryParameters != null)
return decodedQueryParameters;
return decodedQueryParameters = UriComponent.decodeQuery(
getRequestUri(), true);
} else {
if (encodedQueryParameters != null)
return encodedQueryParameters;
return encodedQueryParameters = UriComponent.decodeQuery(
getRequestUri(), false);
}
}
@Override
public String getHeaderValue(String name) {
final List<String> v = getRequestHeaders().get(name);
if (v == null) return null;
if (v.isEmpty()) return "";
if (v.size() == 1) return v.get(0);
StringBuilder sb = new StringBuilder(v.get(0));
for (int i = 1; i < v.size(); i++) {
final String s = v.get(i);
if (s.length() > 0)
sb.append(',').append(s);
}
return sb.toString();
}
@Override
public <T> T getEntity(Class<T> type, Type genericType, Annotation[] as) {
MediaType mediaType = getMediaType();
if (mediaType == null) {
mediaType = MediaType.APPLICATION_OCTET_STREAM_TYPE;
}
MessageBodyReader<T> bw = getMessageBodyWorkers().getMessageBodyReader(
type, genericType,
as, mediaType);
if (bw == null) {
String message = "A message body reader for Java class " + type.getName() +
", and Java type " + genericType +
", and MIME media type " + mediaType + " was not found.\n";
Map<MediaType, List<MessageBodyReader>> m = getMessageBodyWorkers().
getReaders(mediaType);
message += "The registered message body readers compatible with the MIME media type are:\n" +
getMessageBodyWorkers().readersToString(m);
LOGGER.severe(message);
throw new WebApplicationException(
new MessageException(message),
Responses.unsupportedMediaType().build());
}
if (isTracingEnabled()) {
trace(String.format("matched message body reader: %s, \"%s\" -> %s",
genericType,
mediaType,
ReflectionHelper.objectToString(bw)));
}
try {
return bw.readFrom(type, genericType, as, mediaType, headers, entity);
} catch (WebApplicationException ex) {
throw ex;
} catch (Exception e) {
throw new MappableContainerException(e);
}
}
/**
* Set the request entity.
*
* @param type the class of object that is to be written.
* @param genericType the type of object to be written, obtained either
* by reflection of a resource method return type or by inspection
* of the returned instance. {@link javax.ws.rs.core.GenericEntity}
* provides a way to specify this information at runtime.
* @param annotations an array of the annotations on the resource
* method that returns the object.
* @param mediaType the media type of the HTTP entity.
* @param httpHeaders a mutable map of the HTTP response headers.
* @param entity the entity instance to write.
* @throws MappableContainerException encapsulates exceptions thrown while
* serializing the entity.
*/
public <T> void setEntity(final Class<T> type, final Type genericType,
final Annotation annotations[], final MediaType mediaType,
final MultivaluedMap<String, Object> httpHeaders, final T entity) {
final MessageBodyWriter<T> writer = getMessageBodyWorkers().getMessageBodyWriter(type, genericType, annotations, mediaType);
if (writer == null) {
String message = "A message body writer for Java class " + type.getName() +
", and Java type " + genericType +
", and MIME media type " + mediaType + " was not found.\n";
Map<MediaType, List<MessageBodyReader>> m = getMessageBodyWorkers().
getReaders(mediaType);
message += "The registered message body readers compatible with the MIME media type are:\n" +
getMessageBodyWorkers().readersToString(m);
LOGGER.severe(message);
throw new WebApplicationException(
new MessageException(message),
Responses.unsupportedMediaType().build());
}
if (isTracingEnabled()) {
trace(String.format("matched message body writer: %s, \"%s\" -> %s",
genericType,
mediaType,
ReflectionHelper.objectToString(writer)));
}
final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try {
writer.writeTo(entity, type, genericType, annotations, mediaType, httpHeaders, byteArrayOutputStream);
} catch (IOException e) {
throw new MappableContainerException(e);
}
this.entity = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
}
@Override
public <T> T getEntity(Class<T> type) {
return getEntity(type, type, EMPTY_ANNOTATIONS);
}
@Override
public MediaType getAcceptableMediaType(List<MediaType> mediaTypes) {
if (mediaTypes.isEmpty())
return getAcceptableMediaTypes().get(0);
for (MediaType a : getAcceptableMediaTypes()) {
if (a.getType().equals(MediaType.MEDIA_TYPE_WILDCARD))
return mediaTypes.get(0);
for (MediaType m : mediaTypes)
if (m.isCompatible(a) && !m.isWildcardType() && !m.isWildcardSubtype())
return m;
}
return null;
}
@Override
public List<MediaType> getAcceptableMediaTypes(List<QualitySourceMediaType> priorityMediaTypes) {
return new ArrayList<MediaType>(HttpHelper.getAccept(this, priorityMediaTypes));
}
@Override
public MultivaluedMap<String, String> getCookieNameValueMap() {
if (cookieNames == null || headersModCount != headers.getModCount()) {
cookieNames = new MultivaluedMapImpl();
for (Map.Entry<String, Cookie> e : getCookies().entrySet()) {
cookieNames.putSingle(e.getKey(), e.getValue().getValue());
}
}
return cookieNames;
}
@Override
public Form getFormParameters() {
if (MediaTypes.typeEquals(MediaType.APPLICATION_FORM_URLENCODED_TYPE, getMediaType())) {
InputStream in = getEntityInputStream();
if (in.getClass() != ByteArrayInputStream.class) {
// Buffer input
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
try {
ReaderWriter.writeTo(in, byteArrayOutputStream);
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
in = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
setEntityInputStream(in);
}
ByteArrayInputStream byteArrayInputStream = (ByteArrayInputStream) in;
Form f = getEntity(Form.class);
byteArrayInputStream.reset();
return f;
} else {
return new Form();
}
}
// HttpHeaders
@Override
public MultivaluedMap<String, String> getRequestHeaders() {
return headers;
}
@Override
public List<String> getRequestHeader(String name) {
return headers.get(name);
}
@Override
public List<MediaType> getAcceptableMediaTypes() {
if (accept == null || headersModCount != headers.getModCount())
accept = new ArrayList<MediaType>(HttpHelper.getAccept(this));
return accept;
}
@Override
public List<Locale> getAcceptableLanguages() {
if (acceptLanguages == null || headersModCount != headers.getModCount()) {
List<AcceptableLanguageTag> alts = HttpHelper.getAcceptLangauge(this);
acceptLanguages = new ArrayList<Locale>(alts.size());
for (AcceptableLanguageTag alt : alts) {
acceptLanguages.add(alt.getAsLocale());
}
}
return acceptLanguages;
}
@Override
public MediaType getMediaType() {
if (contentType == null || headersModCount != headers.getModCount())
contentType = HttpHelper.getContentType(this);
return contentType;
}
@Override
public Locale getLanguage() {
return HttpHelper.getContentLanguageAsLocale(this);
}
@Override
public Map<String, Cookie> getCookies() {
if (cookies == null || headersModCount != headers.getModCount()) {
cookies = new HashMap<String, Cookie>();
List<String> cl = getRequestHeaders().get(HttpHeaders.COOKIE);
if (cl != null) {
for (String cookie : cl) {
if (cookie != null)
cookies.putAll(
HttpHeaderReader.readCookies(cookie));
}
}
}
return cookies;
}
// Request
@Override
public String getMethod() {
return method;
}
@Override
public Variant selectVariant(List<Variant> variants) {
if (variants == null || variants.isEmpty())
throw new IllegalArgumentException("The list of variants is null or empty");
// TODO mark the Vary header to be added to the response
return VariantSelector.selectVariant(this, variants);
}
@Override
public ResponseBuilder evaluatePreconditions() {
Set<MatchingEntityTag> matchingTags = HttpHelper.getIfMatch(this);
if (matchingTags == null) {
return null;
}
// Since the resource does not exist the method must not be
// perform and 412 Precondition Failed is returned
return Responses.preconditionFailed();
}
@Override
public ResponseBuilder evaluatePreconditions(EntityTag eTag) {
if(eTag == null) {
throw new IllegalArgumentException("Parameter 'eTag' cannot be null.");
}
ResponseBuilder r = evaluateIfMatch(eTag);
if (r != null)
return r;
return evaluateIfNoneMatch(eTag);
}
@Override
public ResponseBuilder evaluatePreconditions(Date lastModified) {
if(lastModified == null) {
throw new IllegalArgumentException("Parameter 'lastModified' cannot be null.");
}
final long lastModifiedTime = lastModified.getTime();
ResponseBuilder r = evaluateIfUnmodifiedSince(lastModifiedTime);
if (r != null)
return r;
return evaluateIfModifiedSince(lastModifiedTime);
}
@Override
public ResponseBuilder evaluatePreconditions(Date lastModified, EntityTag eTag) {
if(lastModified == null || eTag == null) {
throw new IllegalArgumentException("Parameters 'lastModified' and 'eTag' cannot be null.");
}
ResponseBuilder r = evaluateIfMatch(eTag);
if (r != null)
return r;
final long lastModifiedTime = lastModified.getTime();
r = evaluateIfUnmodifiedSince(lastModifiedTime);
if (r != null)
return r;
final boolean isGetOrHead = getMethod().equals("GET") || getMethod().equals("HEAD");
final Set<MatchingEntityTag> matchingTags = HttpHelper.getIfNoneMatch(this);
if (matchingTags != null) {
r = evaluateIfNoneMatch(eTag, matchingTags, isGetOrHead);
// If the If-None-Match header is present and there is no
// match then the If-Modified-Since header must be ignored
if (r == null)
return r;
// Otherwise if the If-None-Match header is present and there
// is a match then the If-Modified-Since header must be checked
// for consistency
}
final String ifModifiedSinceHeader = getRequestHeaders().getFirst("If-Modified-Since");
if (ifModifiedSinceHeader != null && isGetOrHead) {
r = evaluateIfModifiedSince(lastModifiedTime, ifModifiedSinceHeader);
if (r != null)
r.tag(eTag);
}
return r;
}
private ResponseBuilder evaluateIfMatch(EntityTag eTag) {
Set<MatchingEntityTag> matchingTags = HttpHelper.getIfMatch(this);
if (matchingTags == null) {
return null;
}
// The strong comparison function must be used to compare the entity
// tags. Thus if the entity tag of the entity is weak then matching
// of entity tags in the If-Match header should fail.
if (eTag.isWeak()) {
return Responses.preconditionFailed();
}
if (matchingTags != MatchingEntityTag.ANY_MATCH &&
!matchingTags.contains(eTag)) {
// 412 Precondition Failed
return Responses.preconditionFailed();
}
return null;
}
private ResponseBuilder evaluateIfNoneMatch(EntityTag eTag) {
Set<MatchingEntityTag> matchingTags = HttpHelper.getIfNoneMatch(this);
if (matchingTags == null)
return null;
final String httpMethod = getMethod();
return evaluateIfNoneMatch(
eTag,
matchingTags,
httpMethod.equals("GET") || httpMethod.equals("HEAD"));
}
private ResponseBuilder evaluateIfNoneMatch(
EntityTag eTag,
Set<MatchingEntityTag> matchingTags,
boolean isGetOrHead) {
if (isGetOrHead) {
if (matchingTags == MatchingEntityTag.ANY_MATCH) {
// 304 Not modified
return Response.notModified(eTag);
}
// The weak comparison function may be used to compare entity tags
if (matchingTags.contains(eTag) || matchingTags.contains(new EntityTag(eTag.getValue(), !eTag.isWeak()))) {
// 304 Not modified
return Response.notModified(eTag);
}
} else {
// The strong comparison function must be used to compare the entity
// tags. Thus if the entity tag of the entity is weak then matching
// of entity tags in the If-None-Match header should fail if the
// HTTP method is not GET or not HEAD.
if (eTag.isWeak()) {
return null;
}
if (matchingTags == MatchingEntityTag.ANY_MATCH || matchingTags.contains(eTag)) {
// 412 Precondition Failed
return Responses.preconditionFailed();
}
}
return null;
}
private ResponseBuilder evaluateIfUnmodifiedSince(long lastModified) {
String ifUnmodifiedSinceHeader = getRequestHeaders().getFirst("If-Unmodified-Since");
if (ifUnmodifiedSinceHeader != null) {
try {
long ifUnmodifiedSince = HttpHeaderReader.readDate(ifUnmodifiedSinceHeader).getTime();
if (roundDown(lastModified) > ifUnmodifiedSince) {
// 412 Precondition Failed
return Responses.preconditionFailed();
}
} catch (ParseException ex) {
// Ignore the header if parsing error
}
}
return null;
}
private ResponseBuilder evaluateIfModifiedSince(long lastModified) {
String ifModifiedSinceHeader = getRequestHeaders().getFirst("If-Modified-Since");
if (ifModifiedSinceHeader == null)
return null;
final String httpMethod = getMethod();
if (httpMethod.equals("GET") || httpMethod.equals("HEAD")) {
return evaluateIfModifiedSince(
lastModified,
ifModifiedSinceHeader);
} else {
return null;
}
}
private ResponseBuilder evaluateIfModifiedSince(
long lastModified,
String ifModifiedSinceHeader) {
try {
long ifModifiedSince = HttpHeaderReader.readDate(ifModifiedSinceHeader).getTime();
if (roundDown(lastModified) <= ifModifiedSince) {
// 304 Not modified
return Responses.notModified();
}
} catch (ParseException ex) {
// Ignore the header if parsing error
}
return null;
}
/**
* Round down the time to the nearest second.
*
* @param time the time to round down.
* @return the rounded down time.
*/
private static long roundDown(long time) {
return time - time % 1000;
}
// SecurityContext
@Override
public Principal getUserPrincipal() {
if (securityContext == null)
throw new UnsupportedOperationException();
return securityContext.getUserPrincipal();
}
@Override
public boolean isUserInRole(String role) {
if (securityContext == null)
throw new UnsupportedOperationException();
return securityContext.isUserInRole(role);
}
@Override
public boolean isSecure() {
if (securityContext == null)
throw new UnsupportedOperationException();
return securityContext.isSecure();
}
@Override
public String getAuthenticationScheme() {
if (securityContext == null)
throw new UnsupportedOperationException();
return securityContext.getAuthenticationScheme();
}
}