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8049378: Examine references to ${java.home}/lib in JAXP
Reviewed-by: lancea, alanb
This commit is contained in:
Joe Wang
parent
cd16fed9b8
commit
a953097a89
10 changed files with 356 additions and 201 deletions
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@ -33,7 +33,7 @@ package javax.xml.transform;
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* <p>The system property that determines which Factory implementation
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* to create is named <code>"javax.xml.transform.TransformerFactory"</code>.
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* This property names a concrete subclass of the
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* <code>TransformerFactory</code> abstract class. If the property is not
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* {@code TransformerFactory} abstract class. If the property is not
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* defined, a platform default is be used.</p>
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*
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* @author <a href="mailto:Jeff.Suttor@Sun.com">Jeff Suttor</a>
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@ -51,31 +51,36 @@ public abstract class TransformerFactory {
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/**
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* <p>Obtain a new instance of a <code>TransformerFactory</code>.
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* This static method creates a new factory instance.</p>
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* <p>This method uses the following ordered lookup procedure to determine
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* the <code>TransformerFactory</code> implementation class to
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* load:</p>
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* <p>
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* Obtain a new instance of a {@code TransformerFactory}.
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* This static method creates a new factory instance.
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* <p>
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* This method uses the following ordered lookup procedure to determine
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* the {@code TransformerFactory} implementation class to
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* load:
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* <p>
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* <ul>
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* <li>
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* Use the <code>javax.xml.transform.TransformerFactory</code> system
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* Use the {@code javax.xml.transform.TransformerFactory} system
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* property.
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* </li>
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* <li>
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* Use the properties file "conf/jaxp.properties" in the JRE directory.
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* This configuration file is in standard <code>java.util.Properties
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* </code> format and contains the fully qualified name of the
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* implementation class with the key being the system property defined
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* above.
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* <br>
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* <p>
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* Use the configuration file "jaxp.properties". The file is in standard
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* {@link java.util.Properties} format and typically located in the
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* {@code conf} directory of the Java installation. It contains the fully qualified
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* name of the implementation class with the key being the system property
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* defined above.
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* <p>
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* The jaxp.properties file is read only once by the JAXP implementation
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* and it's values are then cached for future use. If the file does not exist
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* and its values are then cached for future use. If the file does not exist
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* when the first attempt is made to read from it, no further attempts are
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* made to check for its existence. It is not possible to change the value
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* of any property in jaxp.properties after it has been read for the first time.
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* </li>
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* <li>
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* Use the service-provider loading facilities, defined by the
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* <p>
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* Use the service-provider loading facility, defined by the
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* {@link java.util.ServiceLoader} class, to attempt to locate and load an
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* implementation of the service using the {@linkplain
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* java.util.ServiceLoader#load(java.lang.Class) default loading mechanism}:
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@ -86,13 +91,15 @@ public abstract class TransformerFactory {
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* ClassLoader#getSystemClassLoader() system class loader} will be used.
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* </li>
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* <li>
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* <p>
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* Otherwise, the system-default implementation is returned.
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* </li>
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* </ul>
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*
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* <p>Once an application has obtained a reference to a <code>
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* TransformerFactory</code> it can use the factory to configure
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* and obtain transformer instances.</p>
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* <p>
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* Once an application has obtained a reference to a
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* {@code TransformerFactory} it can use the factory to configure
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* and obtain transformer instances.
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*
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* @return new TransformerFactory instance, never null.
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*
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@ -111,13 +118,13 @@ public abstract class TransformerFactory {
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}
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/**
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* <p>Obtain a new instance of a <code>TransformerFactory</code> from factory class name.
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* <p>Obtain a new instance of a {@code TransformerFactory} from factory class name.
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* This function is useful when there are multiple providers in the classpath.
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* It gives more control to the application as it can specify which provider
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* should be loaded.</p>
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*
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* <p>Once an application has obtained a reference to a <code>
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* TransformerFactory</code> it can use the factory to configure
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* <p>Once an application has obtained a reference to a
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* {@code TransformerFactory} it can use the factory to configure
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* and obtain transformer instances.</p>
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*
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* <h2>Tip for Trouble-shooting</h2>
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@ -130,7 +137,7 @@ public abstract class TransformerFactory {
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* java -Djaxp.debug=1 YourProgram ....
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* </pre>
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*
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* @param factoryClassName fully qualified factory class name that provides implementation of <code>javax.xml.transform.TransformerFactory</code>.
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* @param factoryClassName fully qualified factory class name that provides implementation of {@code javax.xml.transform.TransformerFactory}.
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*
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* @param classLoader <code>ClassLoader</code> used to load the factory class. If <code>null</code>
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* current <code>Thread</code>'s context classLoader is used to load the factory class.
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@ -232,7 +239,7 @@ public abstract class TransformerFactory {
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* @param charset The value of the charset attribute to match. May be null.
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*
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* @return A <code>Source</code> <code>Object</code> suitable for passing
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* to the <code>TransformerFactory</code>.
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* to the {@code TransformerFactory}.
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*
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* @throws TransformerConfigurationException An <code>Exception</code>
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* is thrown if an error occurings during parsing of the
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@ -268,15 +275,15 @@ public abstract class TransformerFactory {
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//======= CONFIGURATION METHODS =======
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/**
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* <p>Set a feature for this <code>TransformerFactory</code> and <code>Transformer</code>s
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* <p>Set a feature for this {@code TransformerFactory} and <code>Transformer</code>s
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* or <code>Template</code>s created by this factory.</p>
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*
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* <p>
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* Feature names are fully qualified {@link java.net.URI}s.
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* Implementations may define their own features.
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* An {@link TransformerConfigurationException} is thrown if this <code>TransformerFactory</code> or the
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* An {@link TransformerConfigurationException} is thrown if this {@code TransformerFactory} or the
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* <code>Transformer</code>s or <code>Template</code>s it creates cannot support the feature.
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* It is possible for an <code>TransformerFactory</code> to expose a feature value but be unable to change its state.
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* It is possible for an {@code TransformerFactory} to expose a feature value but be unable to change its state.
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* </p>
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*
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* <p>All implementations are required to support the {@link javax.xml.XMLConstants#FEATURE_SECURE_PROCESSING} feature.
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@ -299,7 +306,7 @@ public abstract class TransformerFactory {
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* @param name Feature name.
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* @param value Is feature state <code>true</code> or <code>false</code>.
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*
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* @throws TransformerConfigurationException if this <code>TransformerFactory</code>
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* @throws TransformerConfigurationException if this {@code TransformerFactory}
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* or the <code>Transformer</code>s or <code>Template</code>s it creates cannot support this feature.
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* @throws NullPointerException If the <code>name</code> parameter is null.
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*/
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@ -312,9 +319,9 @@ public abstract class TransformerFactory {
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* <p>
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* Feature names are fully qualified {@link java.net.URI}s.
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* Implementations may define their own features.
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* <code>false</code> is returned if this <code>TransformerFactory</code> or the
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* <code>false</code> is returned if this {@code TransformerFactory} or the
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* <code>Transformer</code>s or <code>Template</code>s it creates cannot support the feature.
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* It is possible for an <code>TransformerFactory</code> to expose a feature value but be unable to change its state.
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* It is possible for an {@code TransformerFactory} to expose a feature value but be unable to change its state.
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* </p>
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*
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* @param name Feature name.
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