| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| ServletContextResolver |
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| 1.6666666666666667;1.667 |
| 1 | /* |
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| 2 | * |
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| 3 | * Copyright 2005-2006 The Apache Software Foundation. |
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| 4 | * |
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 6 | * you may not use this file except in compliance with the License. |
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| 7 | * You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | * |
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| 17 | */ |
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| 18 | package org.apache.commons.scxml.env.servlet; |
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| 19 | ||
| 20 | import javax.servlet.ServletContext; |
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| 21 | ||
| 22 | import org.apache.commons.scxml.PathResolver; |
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| 23 | ||
| 24 | /** |
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| 25 | * A wrapper around ServletContext that implements PathResolver. |
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| 26 | * |
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| 27 | * @see org.apache.commons.scxml.PathResolver |
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| 28 | */ |
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| 29 | public class ServletContextResolver implements PathResolver { |
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| 30 | ||
| 31 | /** Cannot accept a null ServletContext, it will just throw |
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| 32 | * NullPointerException down the road. */ |
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| 33 | private static final String ERR_SERVLET_CTX_NULL = |
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| 34 | "ServletContextResolver cannot be instantiated with a null" |
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| 35 | + " ServletContext"; |
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| 36 | ||
| 37 | /** The SevletContext we will use to resolve paths. */ |
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| 38 | 1 | private ServletContext ctx = null; |
| 39 | ||
| 40 | /** |
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| 41 | * Constructor. |
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| 42 | * |
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| 43 | * @param ctx The ServletContext instance for this web application. |
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| 44 | */ |
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| 45 | 1 | public ServletContextResolver(final ServletContext ctx) { |
| 46 | 1 | if (ctx == null) { |
| 47 | 1 | throw new IllegalArgumentException(ERR_SERVLET_CTX_NULL); |
| 48 | } |
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| 49 | 0 | this.ctx = ctx; |
| 50 | 0 | } |
| 51 | ||
| 52 | /** |
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| 53 | * Delegates to the underlying ServletContext's getRealPath(String). |
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| 54 | * |
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| 55 | * @param ctxPath context sensitive path, can be a relative URL |
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| 56 | * @return resolved path (an absolute URL) or <code>null</code> |
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| 57 | * @see org.apache.commons.scxml.PathResolver#resolvePath(java.lang.String) |
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| 58 | */ |
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| 59 | public String resolvePath(final String ctxPath) { |
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| 60 | 0 | return ctx.getRealPath(ctxPath); |
| 61 | } |
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| 62 | ||
| 63 | /** |
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| 64 | * Retrieve the PathResolver rooted at the given path. |
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| 65 | * |
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| 66 | * @param ctxPath context sensitive path, can be a relative URL |
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| 67 | * @return returns a new resolver rooted at ctxPath |
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| 68 | * @see org.apache.commons.scxml.PathResolver#getResolver(java.lang.String) |
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| 69 | */ |
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| 70 | public PathResolver getResolver(final String ctxPath) { |
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| 71 | 0 | return this; |
| 72 | } |
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| 73 | ||
| 74 | } |
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| 75 |