A quick & flexible XML Java-based validator capable of performing bulk validation of XML documents against XML Schemas as defined in the XML documents or forcing another schema target
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README.md

XmlValidate

A quick & flexible open source XML validator capable of performing bulk validation of XML documents against XML Schemas as defined in the XML documents or forcing another schema target.

XmlValidate validates individual XML documents by filename or URL or recursively searching directories with a list of target file extensions. First documents are checked as being well-formed XML. If parsing XML with non-validating parser fails then validation for that file stops.

Here are three ways to validate XML documents using XmlValidate:

  1. The -map option maps schema namespaces to given target schema locations. It rewrites XML with location of schema instance document then validates against target schema. If schema namespace is not found then it does not validate the document. This validates the document against the actual schema namespace defined in the document as opposed to the other approaches that rewrite the XML documents to any target schema.

old: <kml xmlns="http://earth.google.com/kml/2.1">

new: <kml xmlns="http://earth.google.com/kml/2.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://earth.google.com/kml/2.1 file:/C:/xml/kml21.xsd">

Note if root element is "kml" and no namespace is specified then KML 2.0 namespace is used to validate document.

  1. Specifing a schema without a namespace implies noNamespaceSchemaLocation attribute should be added to all XML documents and validate against that schema. no namespace schema:

    <event xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="C:/cot/schema/Event.xsd">

  2. And finally specify -ns and -schema options to provide a target namespace URI and schema location. All XML documents specified in search location(s) will be rewritten and the target schemaLocation will be used regardless of the default namespace of that document. So for example KML 2.1 documents can be validated against the 2.2 schema, and vice versa.

    old: <kml xmlns="http://earth.google.com/kml/2.1">

    new: <kml xmlns="http://www.opengis.net/kml/2.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/kml/2.2 file:/C:/xml/kml22.xsd">

Note that XML is reformatted so errors/warnings with line/column numbers are respect to the reformatted content not the original so context is printed at that line/column number after each error in order that errors can be tracked down and corrected in original XML document. If you want the reformatted XML document printed then use -dump mode. If the error is in the XML Schema not the instance document then the context will not be printed.

Building with Gradle

Type: ./gradlew test install

The first time you run this it will download and install gradle. Downloaded files (including the Gradle distribution itself) will be stored in the Gradle user home directory (typically "<user_home>/.gradle"). Subsequent runs will be much faster.

If Gradle is already installed then just run:

./gradle test install

Usage

Usage: xv [options] [-map=file] | [-schema=file (-ns=uri)] <xml-document file, URL, or directory...>

Examples

  1. To check all .kml files against target KML 2.2 schema regardless of default schema used:

    xv -kml -schema C:/pathToXsd/kml22.xsd -ns=http://www.opengis.net/kml/2.2 C:/pathToMyKmlFiles

  2. To check kml and kmz files against local schemas as defined in KML files:

    xv -kmz -map=ns.map C:/pathToMyKmlFiles

  3. Validate by URL for KML and target schema and print KML content if any errors are found but limit size of each file printed to first 4K:

    xv -dump -maxDump=4096 -ns=http://earth.google.com/kml/2.1 -schema=http://code.google.com/apis/kml/schema/kml21.xsd http://kml-samples.googlecode.com/svn/trunk/kml/kmz/simple/big.kmz

Note: xv command in examples above is a short-cut to the provided .bat command using java and XmlValidate.jar on the CLASSPATH or by using an equivalent shell script. See xv.bat, kml21.bat, and kml22.bat for example usage.

License

Copyright 2009-2017 The MITRE Corporation

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.