initial commit

.gitignore

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+/target/

.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.8

.settings/org.eclipse.m2e.core.prefs

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+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

.settings/org.eclipse.wst.common.component

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+<?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
+    <wb-module deploy-name="iwxxmConverter">
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/test/java"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/test/resources"/>
+        <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/schemabindings"/>
+        <property name="context-root" value="iwxxmConverter"/>
+        <property name="java-output-path" value="/iwxxmConverter/target/classes"/>
+    </wb-module>
+</project-modules>

.settings/org.eclipse.wst.common.project.facet.core.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <installed facet="java" version="1.8"/>
+</faceted-project>

.settings/org.eclipse.wst.jsdt.ui.superType.container

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+org.eclipse.wst.jsdt.launching.baseBrowserLibrary

.settings/org.eclipse.wst.jsdt.ui.superType.name

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+Window

LICENSE

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+Apache License
+
+Version 2.0, January 2004
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+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+END OF TERMS AND CONDITIONS

NOTICE

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+IwxxmConverter
+Copyright(C) 2018 Dmitry Moryakov. Main aeronautical meteorological center, Moscow, Russia  
+
+The CRUX software is provided under
+CRUX License
+Copyright © 2016 University Corporation for Atmospheric Research (UCAR). All rights reserved.
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+1. PH-Schematron (Philip Helger (www.helger.com))
+

README.md

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+# Introduction
+IwxxmConverter is JAXB-project intended to provide starting API(numerous of helper classes and methods) to allow other contributors to develop
+their own applications in the area of **IWXXM** conversion, validation and distribution.
+
+## Credits
+Thanks to the many of IWXXM, ICAO, WMO people who provided clear XSD schemas of the new aviation weather format. 
+One may find them here: 
+[IWXXM2.0](http://schemas.wmo.int/iwxxm/2.0/zip/iwxxm-schema-bundle-2.0.zip)
+[IWXXM2.1RC](http://schemas.wmo.int/iwxxm/2.1.1RC1/zip/iwxxm-schema-bundle-2.1.1RC1.zip)
+
+## What has been done
+This project contains already prepared java-classes, generated by xjc compiler and some binding classes 
+(for example see /test/resources/iwxxm/2.1/binders1)  
+Execution of `xjc iwxxm.xsd -extension -b binders1 -d output` leads to recompile all xsds into 'output' dir.   
+
+BUT keep in mind that there are some edits and additions to generated classes.  
+1. Namespaces prefixes are set either by annotation @XmlNs in each package-info file,  
+    e.g. *xmlns={@XmlNs(namespaceURI = "http://icao.int/iwxxm/2.1", prefix = "iwxxm" )}*  
+or by special mapper 'common.NameSpaceMapper' when (somehow) for xlink @XmlNs namespace annotation binding doesn't work.
+2. Also there are direct changes in generated classes that remove some unnecessary(?) tags from output XML:
+ - GML AbstractFeatureType - BoundedBy - made non-mandatory (removes \<boundedBy="nil"\> tag)
+ - In these classes field 'final static TypeType TYPE' can be changed to a non-static property to remove \<xlink:type="simple"\>: 
+ - GML ReferenceType 
+ - GML TimeInstantPropertyType
+ - GML FeaturePropertyType
+3. The CRUX validation, provided by NCAR (thanks to [Aaron Braeckel](https://github.com/braeckel)), is included in POM and avaliable from unit tests.
+But the performance of crux library taken from Maven is not very good.
+Probably it caused by loading of xml schemas via http.
+
+As an alternative way of validation the [PH-SHEMATRON](https://github.com/phax/ph-schematron) is provided. 
+The comparing results look similar but ph-schematron's performance out-of-the-box is much better.   
+Bonus: ph-shematron can generate SVRL report files with validation results.
+
+## Using
+There are some steps from TAC to IWXXM messages:
+ - Parsing TAC
+ - Creating internal representation of described elements
+ - Applying transformation to JAXB-object 
+ - Marshalling of the prepared object to XML-document
+ - Validation of XML-file with schematron engine
+
+If you're not interested in internal representation just use appropriate converter:
+
+1. Conversion sample
+```java
+   String metar = "METAR UUEE 270830Z 02006MPS 2100 -SN OVC009 M04/M06 Q1008 R06L/590230\n" + 
+    "     R06R/590230 TEMPO 1000 SHSN BKN012CB=";
+    @Test
+    public void testMetar() {
+        METARConverter mc = new METARConverter();
+        String result = mc.convertTacToXML(metar);
+        System.out.println(result);
+    }
+```
+Similar use TAFConverter and SPECIConverter
+
+2. Validation sample. See IwxxmValidator class for details
+```java
+	@Test
+	public void testValidation() {
+		//create and init validator
+		IwxxmValidator validator = new IwxxmValidator();
+		validator.init();
+		//convert taf
+		String validTaf = "TAF LZIB 101058Z 1012/1112 24015KT 9999 -SHRA FEW018 BKN028 TX10/1112Z TN05/1100Z BECMG 1014/1017 18012KT BECMG 1104/1107 14022KT 7000 RADZ SCT010 BKN015CB OVC025";
+		TAFConverter tafconverter = new TAFConverter();
+		String iwxxm = tafconverter.convertTacToXML(validTaf);
+		//send it to validator and check failures
+		List<FailedAssert> failedResults = validator.validateString(iwxxm);
+		assertTrue(failedResults.size()==0);
+	}	
+``` 
+3. Using internal representation
+If you need internal classes, see METARTacMessage, SPECITacMessage, TAFTacMessage classes and their interfaces.
+When parsing from TAC use `parseMessage()` for whole message and `parseSection()` for Trends functions. 
+```java
+    String tafUUWW = "TAF UUWW 090750Z 0909/1008 30007MPS 9999 SCT015 TXM03/1009Z\r\n" + 
+			"TNM06/0918Z TEMPO 0909/0913 30012MPS\r\nBECMG 0913/0915 OVC009 TEMPO\n" + 
+			"0915/1009 3100 -SN OVC005=";
+	@Test
+	public void testTafCommonWeatherSection() throws TAFParsingException {
+		//Init message and parse TAC 
+		TAFTacMessage tafMessage = new TAFTacMessage(tafUUWW);
+		tafMessage.parseMessage();
+		//check field values after parsing
+		assertEquals(23, tafMessage.getValidityInterval().toPeriod().toStandardHours().getHours());
+		assertEquals(1,tafMessage.getBecomingSections().size());
+		assertEquals(2,tafMessage.getTempoSections().size());
+		assertEquals(BigDecimal.valueOf(-3),tafMessage.getCommonWeatherSection().getAirTemperatureMax());
+		assertEquals(BigDecimal.valueOf(-6),tafMessage.getCommonWeatherSection().getAirTemperatureMin());
+	}
+```
+
+4. Also you may init empty message object, fill them via setters and convert into IWXXM representation
+```java
+	@Test
+	public void testIWXXMCreation() {
+		//create empty object
+		TAFTacMessage tafMessage = new TAFTacMessage("");
+
+		//fill with data
+		tafMessage.getCommonWeatherSection().setAirTemperatureMax(BigDecimal.TEN);
+		tafMessage.getCommonWeatherSection().setAirTemperatureMaxTime(DateTime.now());
+
+		// further field setters...
+
+		TAFConverter tc = new TAFConverter(); 	      //create converter
+		TAFType tt = tc.convertMessage(tafMessage);   //create iwxxm type
+		String result = tc.marshallMessageToXML(tt);  //marshal to XML
+		System.out.println(result);
+	}
+```  
+5. Simple REST-services (Grizzly+Jersey) included in project as a samples of remote conversion and validation.
+Build project and start embedded web-server by following command with arguments of your ip/hostname and port (localhost:8082 are default):
+```java -cp iwxxmConverter.jar WebAppStarter xxx.xxx.xxx.xxx yyyy```
+
+In the case of empty parameters base URI will be (http://localhost:8082/iwxxmConverter/api)
+
+API methods:
+ - test if REST is running
+ 	**method**: test 
+ - get converted TAC in IWXXM format
+ 	**method**: convertandvalidate
+ 	**parameter**: message 
+ - get converted result in IWXXM format and list of validation errors
+ 	**method**: convertandvalidate
+ 	**parameter**: message
+ - get validation results for input IWXXM message
+  	**method**: validate
+  	**parameter**:message
+
+So ask (http://localhost:8082/iwxxmConverter/api/convertandvalidate?message=METAR UUWW 090830Z 23005MPS CAVOK 14/03 Q1021 R24/000070 NOSIG)
+to get converted and validated results.
+
+
+## Contribution
+Any help from the community will be highly appreciated. There is a lot of work to be done =):
+ - This project needs much more test cases with tricky not well-formed TAC messages.
+ - It currently supports only IWXXM2.1 METAR, SPECI and TAF, so it should be extended for all documented IWXXM format
+ - After final release of the IWXXM 3 this project should be refactored to support new format
+ - RMK sections are waiting for implementation  
+
+## Licensing
+The IwxxmConverter is distributed under The APACHE 2.0 License
+CRUX software as dependency is distrubuted under The CRUX License
+PH-Schematron as dependency is distributed under The APACHE 2.0 License
+
+## Contacts
+Dmitry Moryakov  
+Main aeronautical meteorological center, Moscow, Russia  
+E-mail: [email protected]