--- /dev/null
+//
+// ========================================================================
+// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
+// ------------------------------------------------------------------------
+// All rights reserved. This program and the accompanying materials
+// are made available under the terms of the Eclipse Public License v1.0
+// and Apache License v2.0 which accompanies this distribution.
+//
+// The Eclipse Public License is available at
+// http://www.eclipse.org/legal/epl-v10.html
+//
+// The Apache License v2.0 is available at
+// http://www.opensource.org/licenses/apache2.0.php
+//
+// You may elect to redistribute this code under either of these licenses.
+// ========================================================================
+//
+
+package org.eclipse.jetty.http.pathmap;
+
+import org.eclipse.jetty.util.URIUtil;
+
+public class ServletPathSpec extends PathSpec
+{
+ public ServletPathSpec(String servletPathSpec)
+ {
+ super();
+ assertValidServletPathSpec(servletPathSpec);
+
+ // The Root Path Spec
+ if ((servletPathSpec == null) || (servletPathSpec.length() == 0))
+ {
+ super.pathSpec = "";
+ super.pathDepth = -1; // force this to be at the end of the sort order
+ this.specLength = 1;
+ this.group = PathSpecGroup.ROOT;
+ return;
+ }
+
+ // The Default Path Spec
+ if("/".equals(servletPathSpec))
+ {
+ super.pathSpec = "/";
+ super.pathDepth = -1; // force this to be at the end of the sort order
+ this.specLength = 1;
+ this.group = PathSpecGroup.DEFAULT;
+ return;
+ }
+
+ this.specLength = servletPathSpec.length();
+ super.pathDepth = 0;
+ char lastChar = servletPathSpec.charAt(specLength - 1);
+ // prefix based
+ if ((servletPathSpec.charAt(0) == '/') && (specLength > 1) && (lastChar == '*'))
+ {
+ this.group = PathSpecGroup.PREFIX_GLOB;
+ }
+ // suffix based
+ else if (servletPathSpec.charAt(0) == '*')
+ {
+ this.group = PathSpecGroup.SUFFIX_GLOB;
+ }
+ else
+ {
+ this.group = PathSpecGroup.EXACT;
+ }
+
+ for (int i = 0; i < specLength; i++)
+ {
+ int cp = servletPathSpec.codePointAt(i);
+ if (cp < 128)
+ {
+ char c = (char)cp;
+ switch (c)
+ {
+ case '/':
+ super.pathDepth++;
+ break;
+ }
+ }
+ }
+
+ super.pathSpec = servletPathSpec;
+ }
+
+ private void assertValidServletPathSpec(String servletPathSpec)
+ {
+ if ((servletPathSpec == null) || servletPathSpec.equals(""))
+ {
+ return; // empty path spec
+ }
+
+ int len = servletPathSpec.length();
+ // path spec must either start with '/' or '*.'
+ if (servletPathSpec.charAt(0) == '/')
+ {
+ // Prefix Based
+ if (len == 1)
+ {
+ return; // simple '/' path spec
+ }
+ int idx = servletPathSpec.indexOf('*');
+ if (idx < 0)
+ {
+ return; // no hit on glob '*'
+ }
+ // only allowed to have '*' at the end of the path spec
+ if (idx != (len - 1))
+ {
+ throw new IllegalArgumentException("Servlet Spec 12.2 violation: glob '*' can only exist at end of prefix based matches: bad spec \""+ servletPathSpec +"\"");
+ }
+ }
+ else if (servletPathSpec.startsWith("*."))
+ {
+ // Suffix Based
+ int idx = servletPathSpec.indexOf('/');
+ // cannot have path separator
+ if (idx >= 0)
+ {
+ throw new IllegalArgumentException("Servlet Spec 12.2 violation: suffix based path spec cannot have path separators: bad spec \""+ servletPathSpec +"\"");
+ }
+
+ idx = servletPathSpec.indexOf('*',2);
+ // only allowed to have 1 glob '*', at the start of the path spec
+ if (idx >= 1)
+ {
+ throw new IllegalArgumentException("Servlet Spec 12.2 violation: suffix based path spec cannot have multiple glob '*': bad spec \""+ servletPathSpec +"\"");
+ }
+ }
+ else
+ {
+ throw new IllegalArgumentException("Servlet Spec 12.2 violation: path spec must start with \"/\" or \"*.\": bad spec \""+ servletPathSpec +"\"");
+ }
+ }
+
+ @Override
+ public String getPathInfo(String path)
+ {
+ // Path Info only valid for PREFIX_GLOB types
+ if (group == PathSpecGroup.PREFIX_GLOB)
+ {
+ if (path.length() == (specLength - 2))
+ {
+ return null;
+ }
+ return path.substring(specLength - 2);
+ }
+
+ return null;
+ }
+
+ @Override
+ public String getPathMatch(String path)
+ {
+ switch (group)
+ {
+ case EXACT:
+ if (pathSpec.equals(path))
+ {
+ return path;
+ }
+ else
+ {
+ return null;
+ }
+ case PREFIX_GLOB:
+ if (isWildcardMatch(path))
+ {
+ return path.substring(0,specLength - 2);
+ }
+ else
+ {
+ return null;
+ }
+ case SUFFIX_GLOB:
+ if (path.regionMatches(path.length() - (specLength - 1),pathSpec,1,specLength - 1))
+ {
+ return path;
+ }
+ else
+ {
+ return null;
+ }
+ case DEFAULT:
+ return path;
+ default:
+ return null;
+ }
+ }
+
+ @Override
+ public String getRelativePath(String base, String path)
+ {
+ String info = getPathInfo(path);
+ if (info == null)
+ {
+ info = path;
+ }
+
+ if (info.startsWith("./"))
+ {
+ info = info.substring(2);
+ }
+ if (base.endsWith(URIUtil.SLASH))
+ {
+ if (info.startsWith(URIUtil.SLASH))
+ {
+ path = base + info.substring(1);
+ }
+ else
+ {
+ path = base + info;
+ }
+ }
+ else if (info.startsWith(URIUtil.SLASH))
+ {
+ path = base + info;
+ }
+ else
+ {
+ path = base + URIUtil.SLASH + info;
+ }
+ return path;
+ }
+
+ private boolean isWildcardMatch(String path)
+ {
+ // For a spec of "/foo/*" match "/foo" , "/foo/..." but not "/foobar"
+ int cpl = specLength - 2;
+ if ((group == PathSpecGroup.PREFIX_GLOB) && (path.regionMatches(0,pathSpec,0,cpl)))
+ {
+ if ((path.length() == cpl) || ('/' == path.charAt(cpl)))
+ {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public boolean matches(String path)
+ {
+ switch (group)
+ {
+ case EXACT:
+ return pathSpec.equals(path);
+ case PREFIX_GLOB:
+ return isWildcardMatch(path);
+ case SUFFIX_GLOB:
+ return path.regionMatches((path.length() - specLength) + 1,pathSpec,1,specLength - 1);
+ case ROOT:
+ // Only "/" matches
+ return ("/".equals(path));
+ case DEFAULT:
+ // If we reached this point, then everything matches
+ return true;
+ default:
+ return false;
+ }
+ }
+}
projects / gigi.git / blobdiff