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package org.mule.config; |
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import org.mule.util.IOUtils; |
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import org.mule.util.StringUtils; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.xml.sax.EntityResolver; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXException; |
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public class MuleDtdResolver implements EntityResolver |
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{ |
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42 | 0 | protected static final Log logger = LogFactory.getLog(MuleDtdResolver.class); |
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public static final String DEFAULT_MULE_DTD = "mule-configuration.dtd"; |
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private static final String SEARCH_PATH = ""; |
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private EntityResolver delegate; |
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private String xsl; |
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private static String currentXsl; |
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public MuleDtdResolver() |
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{ |
56 | 0 | this(DEFAULT_MULE_DTD); |
57 | 0 | } |
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public MuleDtdResolver(String dtdName) |
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{ |
61 | 0 | this(dtdName, null, null); |
62 | 0 | } |
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public MuleDtdResolver(String dtdName, String xsl) |
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{ |
66 | 0 | this(dtdName, xsl, null); |
67 | 0 | } |
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public MuleDtdResolver(String dtdName, EntityResolver delegate) |
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{ |
71 | 0 | this(dtdName, null, delegate); |
72 | 0 | } |
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public MuleDtdResolver(String dtdName, String xsl, EntityResolver delegate) |
75 | 0 | { |
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77 | 0 | this.delegate = delegate; |
78 | 0 | this.xsl = xsl; |
79 | 0 | if (logger.isDebugEnabled()) |
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{ |
81 | 0 | StringBuffer buffer = new StringBuffer(); |
82 | 0 | buffer.append("Created Mule Dtd Resolver: "); |
83 | 0 | buffer.append("dtd=").append(dtdName).append(", "); |
84 | 0 | buffer.append("xsl=").append(xsl).append(", "); |
85 | 0 | buffer.append("delegate resolver=").append(delegate).append(", "); |
86 | 0 | logger.debug(buffer.toString()); |
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} |
88 | 0 | } |
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public InputSource resolveEntity(String publicId, String systemId) throws IOException, SAXException |
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{ |
92 | 0 | logger.debug("Trying to resolve XML entity with public ID: " + publicId + " and system ID: " |
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+ systemId); |
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95 | 0 | InputSource source = null; |
96 | 0 | currentXsl = null; |
97 | 0 | if (delegate != null) |
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{ |
99 | 0 | source = delegate.resolveEntity(publicId, systemId); |
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} |
101 | 0 | if ((source == null) && StringUtils.isNotBlank(systemId) && systemId.endsWith(".dtd")) |
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{ |
103 | 0 | String[] tokens = systemId.split("/"); |
104 | 0 | String dtdFile = tokens[tokens.length - 1]; |
105 | 0 | logger.debug("Looking on classpath for " + SEARCH_PATH + dtdFile); |
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107 | 0 | InputStream is = IOUtils.getResourceAsStream(SEARCH_PATH + dtdFile, getClass(), |
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true, false); |
109 | 0 | if (is != null) |
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{ |
111 | 0 | source = new InputSource(is); |
112 | 0 | source.setPublicId(publicId); |
113 | 0 | source.setSystemId(systemId); |
114 | 0 | logger.debug("Found on classpath mule DTD: " + systemId); |
115 | 0 | currentXsl = xsl; |
116 | 0 | return source; |
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} |
118 | 0 | logger.debug("Could not find dtd resource on classpath: " + SEARCH_PATH + dtdFile); |
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} |
120 | 0 | return source; |
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} |
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public String getXslForDtd() |
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{ |
125 | 0 | return currentXsl; |
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} |
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} |