org.jboss.resteasy.util.StringContextReplacement Maven / Gradle / Ivy
package org.jboss.resteasy.util;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.UriInfo;
import java.util.regex.Pattern;
/**
* Utility to replace predefined expressions within a string with values from the HTTP request;
*
* ${basepath} - UriInfo.getBaseUri().getRawPath()
* ${absolutepath} - UriInfo.getAbsolutePath().getRawPath()
* ${absoluteuri} - UriInfo.getAbsolutePath().toString()
* ${baseuri} - UriInfo.getBaseUri().toString()
* ${contextpath} - HttpServletRequest.getContextPath()
*
* @author Bill Burke
* @version $Revision: 1 $
*/
public class StringContextReplacement
{
private static final Pattern basepath = Pattern.compile("\\$\\{basepath\\}");
private static final Pattern absolutepath = Pattern.compile("\\$\\{absolutepath\\}");
private static final Pattern absoluteUri = Pattern.compile("\\$\\{absoluteuri\\}");
private static final Pattern baseUri = Pattern.compile("\\$\\{baseuri\\}");
private static final Pattern contextPath = Pattern.compile("\\$\\{contextpath\\}");
/**
* Utility to replace predefined expressions within a string with values from the HTTP request;
*
* ${basepath} - UriInfo.getBaseUri().getRawPath()
* ${absolutepath} - UriInfo.getAbsolutePath().getRawPath()
* ${absoluteuri} - UriInfo.getAbsolutePath().toString()
* ${baseuri} - UriInfo.getBaseUri().toString()
* ${contextpath} - HttpServletRequest.getContextPath()
*
* @param original
* @return
*/
public static String replace(String original)
{
UriInfo uriInfo = ResteasyProviderFactory.getContextData(UriInfo.class);
if (uriInfo != null)
{
String base = uriInfo.getBaseUri().getRawPath();
String abs = uriInfo.getAbsolutePath().getRawPath();
String absU = uriInfo.getAbsolutePath().toString();
String baseU = uriInfo.getBaseUri().toString();
original = basepath.matcher(original).replaceAll(base);
original = absolutepath.matcher(original).replaceAll(abs);
original = absoluteUri.matcher(original).replaceAll(absU);
original = baseUri.matcher(original).replaceAll(baseU);
}
HttpServletRequest request = ResteasyProviderFactory.getContextData(HttpServletRequest.class);
if (request != null)
{
original = contextPath.matcher(original).replaceAll(request.getContextPath());
}
return original;
}
}