package org.cruxframework.crux.core.server.rest.spi;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.List;
import org.cruxframework.crux.core.server.rest.core.MultivaluedMap;
import org.cruxframework.crux.core.server.rest.core.MultivaluedMapImpl;
import org.cruxframework.crux.core.server.rest.core.UriBuilder;
import org.cruxframework.crux.core.server.rest.core.registry.PathSegment;
import org.cruxframework.crux.core.server.rest.util.Encode;
import org.cruxframework.crux.core.server.rest.util.NotImplementedYetException;
/**
* UriInfo implementation with some added extra methods to help process requests
*
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class UriInfo
{
private String path;
private String encodedPath;
private String matchingPath;
private MultivaluedMap<String, String> queryParameters;
private MultivaluedMap<String, String> encodedQueryParameters;
private MultivaluedMap<String, String> pathParameters;
private MultivaluedMap<String, String> encodedPathParameters;
private MultivaluedMap<String, PathSegment[]> pathParameterPathSegments;
private MultivaluedMap<String, PathSegment[]> encodedPathParameterPathSegments;
private List<PathSegment> pathSegments;
private List<PathSegment> encodedPathSegments;
private URI absolutePath;
private URI requestURI;
private URI baseURI;
private List<String> matchedUris;
private List<String> encodedMatchedUris;
private List<Object> ancestors;
public UriInfo(URI base, URI relative)
{
String b = base.toString();
if (!b.endsWith("/")) b += "/";
String r = relative.getRawPath();
if (r.startsWith("/"))
{
encodedPath = r;
path = relative.getPath();
}
else
{
encodedPath = "/" + r;
path = "/" + relative.getPath();
}
requestURI = UriBuilder.fromUri(base).path(relative.getRawPath()).replaceQuery(relative.getRawQuery()).build();
baseURI = base;
encodedPathSegments = PathSegment.parseSegments(encodedPath, false);
this.pathSegments = new ArrayList<PathSegment>(encodedPathSegments.size());
for (PathSegment segment : encodedPathSegments)
{
pathSegments.add(new PathSegment(((PathSegment) segment).getOriginal(), true));
}
extractParameters(requestURI.getRawQuery());
extractMatchingPath(encodedPathSegments);
absolutePath = UriBuilder.fromUri(requestURI).replaceQuery(null).build();
}
/**
* matching path without matrix parameters
*
* @param encodedPathSegments
*/
protected void extractMatchingPath(List<PathSegment> encodedPathSegments)
{
StringBuilder preprocessedPath = new StringBuilder();
for (PathSegment pathSegment : encodedPathSegments)
{
preprocessedPath.append("/").append(pathSegment.getPath());
}
matchingPath = preprocessedPath.toString();
}
/**
* Encoded path without matrix parameters
*
* @return
*/
public String getMatchingPath()
{
return matchingPath;
}
/**
* Create a UriInfo from the baseURI
*
* @param relative
* @return
*/
public UriInfo relative(URI relative)
{
return new UriInfo(baseURI, relative);
}
public String getPath()
{
return path;
}
public String getPath(boolean decode)
{
if (decode) return getPath();
return encodedPath;
}
public List<PathSegment> getPathSegments()
{
return pathSegments;
}
public List<PathSegment> getPathSegments(boolean decode)
{
if (decode) return getPathSegments();
return encodedPathSegments;
}
public URI getRequestUri()
{
return requestURI;
}
public UriBuilder getRequestUriBuilder()
{
return UriBuilder.fromUri(requestURI);
}
public URI getAbsolutePath()
{
return absolutePath;
}
public UriBuilder getAbsolutePathBuilder()
{
return UriBuilder.fromUri(absolutePath);
}
public URI getBaseUri()
{
return baseURI;
}
public UriBuilder getBaseUriBuilder()
{
return UriBuilder.fromUri(baseURI);
}
public MultivaluedMap<String, String> getPathParameters()
{
if (pathParameters == null)
{
pathParameters = new MultivaluedMapImpl<String, String>();
}
return pathParameters;
}
public void addEncodedPathParameter(String name, String value)
{
getEncodedPathParameters().add(name, value);
String value1 = Encode.decodePath(value);
getPathParameters().add(name, value1);
}
private MultivaluedMap<String, String> getEncodedPathParameters()
{
if (encodedPathParameters == null)
{
encodedPathParameters = new MultivaluedMapImpl<String, String>();
}
return encodedPathParameters;
}
public MultivaluedMap<String, PathSegment[]> getEncodedPathParameterPathSegments()
{
if (encodedPathParameterPathSegments == null)
{
encodedPathParameterPathSegments = new MultivaluedMapImpl<String, PathSegment[]>();
}
return encodedPathParameterPathSegments;
}
public MultivaluedMap<String, PathSegment[]> getPathParameterPathSegments()
{
if (pathParameterPathSegments == null)
{
pathParameterPathSegments = new MultivaluedMapImpl<String, PathSegment[]>();
}
return pathParameterPathSegments;
}
public MultivaluedMap<String, String> getPathParameters(boolean decode)
{
if (decode) return getPathParameters();
return getEncodedPathParameters();
}
public MultivaluedMap<String, String> getQueryParameters()
{
if (queryParameters == null)
{
queryParameters = new MultivaluedMapImpl<String, String>();
}
return queryParameters;
}
protected MultivaluedMap<String, String> getEncodedQueryParameters()
{
if (encodedQueryParameters == null)
{
this.encodedQueryParameters = new MultivaluedMapImpl<String, String>();
}
return encodedQueryParameters;
}
public MultivaluedMap<String, String> getQueryParameters(boolean decode)
{
if (decode) return getQueryParameters();
else return getEncodedQueryParameters();
}
protected void extractParameters(String queryString)
{
if (queryString == null || queryString.equals("")) return;
String[] params = queryString.split("&");
for (String param : params)
{
if (param.indexOf('=') >= 0)
{
String[] nv = param.split("=");
try
{
String name = URLDecoder.decode(nv[0], "UTF-8");
String val = nv.length > 1 ? nv[1] : "";
getEncodedQueryParameters().add(name, val);
getQueryParameters().add(name, URLDecoder.decode(val, "UTF-8"));
}
catch (UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
}
else
{
try
{
String name = URLDecoder.decode(param, "UTF-8");
getEncodedQueryParameters().add(name, "");
getQueryParameters().add(name, "");
}
catch (UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
}
}
}
public List<String> getMatchedURIs(boolean decode)
{
if (decode)
{
if (matchedUris == null) matchedUris = new ArrayList<String>();
return matchedUris;
}
else
{
if (encodedMatchedUris == null) encodedMatchedUris = new ArrayList<String>();
return encodedMatchedUris;
}
}
public List<String> getMatchedURIs()
{
return getMatchedURIs(true);
}
public List<Object> getMatchedResources()
{
if (ancestors == null) ancestors = new ArrayList<Object>();
return ancestors;
}
// public void pushCurrentResource(Object resource)
// {
// if (ancestors == null) ancestors = new ArrayList<Object>();
// ancestors.add(0, resource);
// }
//
// public void popCurrentResource()
// {
// if (ancestors != null && ancestors.size() > 0)
// {
// ancestors.remove(0);
// }
// }
public void pushMatchedURI(String encoded, String decoded)
{
if (encodedMatchedUris == null) encodedMatchedUris = new ArrayList<String>();
encodedMatchedUris.add(0, encoded);
if (matchedUris == null) matchedUris = new ArrayList<String>();
matchedUris.add(0, decoded);
}
public void popMatchedURI()
{
if (encodedMatchedUris != null && encodedMatchedUris.size() > 0)
{
encodedMatchedUris.remove(0);
}
if (matchedUris != null && matchedUris.size() > 0)
{
matchedUris.remove(0);
}
}
public URI resolve(URI uri)
{
return baseURI.resolve(uri);
}
public URI resolve(URI baseUri, URI uri)
{
throw new NotImplementedYetException();
}
public URI relativize(URI uri)
{
return baseURI.relativize(uri);
}
public URI relativize(URI from, URI uri)
{
throw new NotImplementedYetException();
}
}