xjc - Online Linux Manual PageSection : 1
Updated : 21 November 2013
Source : JDK 8
Note : Java Web Services Tools

NAMExjc − Compiles an XML schema file into fully annotated Java classes​.

SYNOPSISxjc [ options ] schema file/URL/dir/jar ​.​.​. [−b bindinfo ] ​.​.​.options  The command-line options​. See Options​. schema file/URL/dir/jar ​.​.​.  The location of the XML schema file​. If dir is specified, then all schema files in it are compiled​. If jar is specified, then the /META-INF/sun-jaxb​.episode binding file is compiled​. -b bindinfo  
The location of the bindings files​.

DESCRIPTIONStart the binding compiler with the appropriate xjc shell script in the bin directory for your platform​. There is also an Ant task to run the binding complier​. See Using the XJC with Ant at http://jaxb​.java​.net/nonav/2​.1​.3/docs/xjcTask​.html

OPTIONS•  See also Nonstandard Options •  See also Deprecated and Removed Options -nv  
By default, the XJC binding compiler performs strict validation of the source schema before processing it​. Use this option to disable strict schema validation​. This does not mean that the binding compiler will not perform any validation, but means that it will perform a less-strict validation​.
-extension  
By default, the XJC binding compiler strictly enforces the rules outlined in the Compatibility chapter of the JAXB Specification​. Appendix E​.2 defines a set of W3C XML Schema features that are not completely supported by JAXB v1​.0​. In some cases, you may be allowed to use them in the -extension mode enabled by this switch​. In the default (strict) mode, you are also limited to using only the binding customization defined in the specification​. By using the -extension switch, you will be allowed to use the JAXB Vendor Extensions​.
-b file  
Specifies one or more external binding files to process​. Each binding file must have its own -b switch​. The syntax of the external binding files is flexible​. You can have a single binding file that contains customization for multiple schemas or you can break the customization into multiple bindings files: xjc schema1​.xsd schema2​.xsd schema3​.xsd -b bindings123​.xjbxjc schema1​.xsd schema2​.xsd schema3​.xsd -b bindings1​.xjb -b bindings2​.xjb -b bindings3​.xjb​. In addition, the ordering of the schema files and binding files on the command line does not matter​.
-d dir  
By default, the XJC binding compiler generates the Java content classes in the current directory​. Use this option to specify an alternate output directory​. The output directory must already exist​. The XJC binding compiler does not create it for you​.
-p pkg  
When you specify a target package with this command-line option, it overrides any binding customization for the package name and the default package name algorithm defined in the specification​.
-httpproxy proxy  
Specifies the HTTP or HTTPS proxy in the format [user[:password]@]proxyHost[:proxyPort]​. The old -host and -port options are still supported by the RI for backward compatibility, but they were deprecated​. The password specified with this option is an argument that is visible to other users who use the top command​. For greater security, use the -httpproxyfile option​.
-httpproxyfile file  
Specifies the HTTP or HTTPS proxy with a file​. The same format as the -httpproxy option, but the password specified in the file is not visible to other users​.
-classpath arg  
Specifies where to find client application class files used by the jxb:javaType and xjc:superClass customization​.
-catalog file  
Specifies catalog files to resolve external entity references​. Supports the TR9401, XCatalog, and OASIS XML Catalog formats​. See XML Entity and URI Resolvers at http://xerces​.apache​.org/xml-commons/components/resolver/resolver-article​.html
-readOnly  
By default, the XJC binding compiler does not write-protect the Java source files it generates​. Use this option to force the XJC binding compiler to mark the generated Java sources as read-only​.
-npa  
Suppresses the generation of package level annotations into **/package-info​.java​. Using this switch causes the generated code to internalize those annotations into the other generated classes​.
-no-header  
Suppresses the generation of a file header comment that includes some note and time stamp​. Using this makes the generated code more compatible with the diff command​.
-target 2​.0  
Avoids generating code that relies on any JAXB 2​.1 features​. This will allow the generated code to run with JAXB 2​.0 runtime environment (such as Java SE 6)​.
-xmlschema  
Treats input schemas as W3C XML Schema (default)​. If you do not specify this switch, then your input schemas are treated as though they are W3C XML Schemas​.
-relaxing  
Treats input schemas as RELAX NG (experimental and unsupported)​. Support for RELAX NG schemas is provided as a JAXB Vendor Extension​.
-relaxing-compact  
Treat input schemas as RELAX NG compact syntax (experimental and unsupported)​. Support for RELAX NG schemas is provided as a JAXB Vendor Extension​.
-dtd  
Treats input schemas as XML DTD (experimental and unsupported)​. Support for RELAX NG schemas is provided as a JAXB Vendor Extension​.
-wsdl  
Treats input as WSDL and compiles schemas inside it (experimental and unsupported)​.
-quiet  
Suppress compiler output, such as progress information and warnings​.
-verbose  
Be extra verbose, such as printing informational messages or displaying stack traces upon some errors​.
-help  
Displays a brief summary of the compiler switches​.
-version  
Displays the compiler version information​.
schema file/URL/dir  Specifies one or more schema files to compile​. If you specify a directory, then the xjc command scans it for all schema files and compiles them​.

NONSTANDARD OPTIONS-XLocator  
Causes the generated code to expose SAX Locator information about the source XML in the Java bean instances after unmarshalling​.
-Xsync-methods  
Causes all of the generated method signatures to include the synchronized keyword​.
-mark-generated  
Marks the generated code with the annotation @javax​.annotation​.Generated​.
-episode file  
Generates the specified episode file for separate compilation​.

DEPRECATED AND REMOVED OPTIONS-host & -port  
These options are replaced with the -httpproxy option​. For backward compatibility, these options are supported, but will not be documented and might be removed from future releases​.
-use-runtime  
Because the JAXB 2​.0 specification has defined a portable runtime environment, it is no longer necessary for the JAXB RI to generate **/impl/runtimepackages​. Therefore, this switch is obsolete and was removed​.
-source  
The -source compatibility switch was introduced in the first JAXB 2​.0 Early Access release​. This switch is removed from future releases of JAXB 2​.0​. If you need to generate 1​.0​.x code, then use an installation of the 1​.0​.x code base​.

COMPILER RESTRICTIONSIn general, it is safest to compile all related schemas as a single unit with the same binding compiler switches​. Keep the following list of restrictions in mind when running the xjc command​. Most of these issues only apply when you compile multiple schemas with multiple invocations of the xjc command​. To compile multiple schemas at the same time, keep the following precedence rules for the target Java package name in mind: 1​.  The -p option has the highest precedence​. 2​.  jaxb:package customization​. 3​.  If targetNamespace is declared, then apply the targetNamespace to the Java package name algorithm defined in the specification​. 4​.  If no targetNamespace is declared, then use a hard coded package named generated​. You cannot have more than one jaxb:schemaBindings per name space, so it is impossible to have two schemas in the same target name space compiled into different Java packages​. All schemas being compiled into the same Java package must be submitted to the XJC binding compiler at the same time​. They cannot be compiled independently and work as expected​. Element substitution groups that are spread across multiple schema files must be compiled at the same time​.

SEE ALSO•  Binding Compiler (xjc) at http://jaxb​.java​.net/nonav/2​.2​.3u1/docs/xjc​.html •  Java Architecture for XML Binding (JAXB) at http://www​.oracle​.com/technetwork/articles/javase/index-140168​.html
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