litesoft
@ 917
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.orsup; import org.litesoft.core.simpletypes.temporal.*; import org.litesoft.core.typeutils.Objects; import org.litesoft.core.typeutils.*; import org.litesoft.core.util.*; import org.litesoft.logger.*; import org.litesoft.orsup.base.*; import org.litesoft.orsup.nonpublic.*; import org.litesoft.orsup.otherattributeaccessors.*; import org.litesoft.orsup.transact.*; import org.litesoft.util.*; import java.io.*; import java.lang.reflect.*; import java.util.*; public class DB_ImportSupport { public static final String TODAY_RELATIVE = ":T"; public static final String DELTA_DATE_RELATIVE = ":DD"; public static final String DELTA_DATE_SEP = "+T-"; public static final String FILE_ATTRIBUTE = "@"; public static final String SETTER_ATTRIBUTE = "()"; public static final String PO_URL_ATTRIBUTE = ":"; protected static class ImportFromMap { public void process( Logger pLogger, UnfilteringFinder pFinder, File pReferenceDir, Map<FauxPOref, Attributes> pLineMap ) throws IOException { if ( pLineMap.isEmpty() ) { throw new IllegalArgumentException( "No Data Found" ); } new Inner( pLogger, pFinder.createUnaugmentedTransaction(), pReferenceDir, pLineMap ).process().commit(); } private class Inner { private Logger mLogger; private Transaction mTransaction; private File mReferenceDir; private Map<FauxPOref, Attributes> mLineMap; private Map<FauxPOref, PersistentObject<?>> mPOsByRef = new HashMap<FauxPOref, PersistentObject<?>>(); private Inner( Logger pLogger, Transaction pTransaction, File pReferenceDir, Map<FauxPOref, Attributes> pLineMap ) { mLogger = pLogger; mTransaction = pTransaction; mReferenceDir = pReferenceDir; mLineMap = pLineMap; } public Transaction process() { for ( FauxPOref ref : mLineMap.keySet() ) { putLineInDB( ref ); } return mTransaction; } private PersistentObject<?> putLineInDB( FauxPOref pPOref ) { PersistentObject<?> zPO = mPOsByRef.get( pPOref ); if ( zPO == null ) // NOT Already created { mPOsByRef.put( pPOref, zPO = mTransaction.create( pPOref.getPersistedObjectRegistrationName() ) ); Attributes attributes = mLineMap.get( pPOref ); if ( attributes == null ) { throw new IllegalArgumentException( "No Attributes (Line) found for URL: " + pPOref ); } mLogger.trace.log( "writing line to db for URL: ", pPOref ); for ( String attrName : attributes.getNames() ) { String value = attributes.getValue( attrName ); // If the attribute is calling a setter method .. if ( attrName.endsWith( SETTER_ATTRIBUTE ) ) { try { String methodName = attrName.substring( 0, attrName.length() - SETTER_ATTRIBUTE.length() ); Method method = zPO.getClass().getMethod( methodName, String.class ); if ( method != null ) { method.invoke( zPO, value ); } } catch ( InvocationTargetException e ) { throw new RuntimeException( e ); } catch ( NoSuchMethodException e ) { throw new RuntimeException( e ); } catch ( IllegalAccessException e ) { throw new RuntimeException( e ); } // Setter methods aren't actual attributes, so skip the rest of the iteration. continue; } boolean isURLAttribute = false; if ( attrName.endsWith( PO_URL_ATTRIBUTE ) ) { attrName = attrName.substring( 0, attrName.length() - PO_URL_ATTRIBUTE.length() ); isURLAttribute = true; } if ( attrName.endsWith( FILE_ATTRIBUTE ) ) { attrName = attrName.substring( 0, attrName.length() - FILE_ATTRIBUTE.length() ); value = readFileAttributeValue( value ); } AttributeAccessorSCD scd = zPO.getMetaDataForPO().getAccessorSCDoptional( attrName ); if ( scd == null ) { throw new IllegalArgumentException( zPO.getObjectName() + " does NOT appear to have an attribute named: '" + attrName + "'" ); } if ( !(scd instanceof NonImportableFeature) ) { Object setValue = value; if ( AttributeAccessorSCD.Form.ToOne == scd.getForm() ) { if ( scd instanceof AttributeAccessorSCDtoOneVariable ) { PO_VarURLstringHelper zVarURL = new PO_VarURLstringHelper( value ); FauxPOref childRef = new FauxPOref( mTransaction, zVarURL.getPersistentObjectURL() ); PersistentObject<?> po = putLineInDB( childRef ); setValue = new PO_VarURLstringHelper( zVarURL.getPersistedObjectAttributeName(), po.getPersistentObjectURL().toString() ); } else { FauxPOref childRef = new FauxPOref( mTransaction, value ); setValue = putLineInDB( childRef ); } } else if ( looksLikeAReference( scd, value ) ) { // support quasi-foreign keys. FauxPOref childRef = new FauxPOref( mTransaction, value ); setValue = putLineInDB( childRef ); PersistentObject po = (PersistentObject) setValue; try { setValue = po.getPersistentObjectUniqueKey(); } catch ( Exception e ) { e.printStackTrace(); } } else if ( isURLAttribute ) { FauxPOref childRef = new FauxPOref( mTransaction, value ); setValue = putLineInDB( childRef ).getPersistentObjectURL().toString(); } zPO.setAttributeValue( attrName, setValue ); } } } return zPO; } private boolean looksLikeAReference( AttributeAccessorSCD pScd, String pValue ) { if ( !(pScd.getColumnType().equals( Long.class )) ) { return false; } try { new FauxPOref( mTransaction, pValue ); return true; } catch ( Exception e ) { return false; } } private String readFileAttributeValue( String fileReference ) { if ( fileReference.startsWith( "file:" ) ) { fileReference = fileReference.substring( "file:".length() ); } File f; if ( null != mReferenceDir ) { f = new File( mReferenceDir, fileReference ); } else { f = new File( fileReference ); } return FileUtils.loadTextFileAsString( f, "\n" ); } } } protected static class ImportToMap { private Map<FauxPOref, Attributes> mLineMap = new HashMap<FauxPOref, Attributes>(); public ImportToMap process( Logger pLogger, Finder pFinder, Reader[] pReaders ) throws IOException { if ( Objects.isNullOrEmpty( pReaders ) ) { throw new IllegalArgumentException( "No Readers provided" ); } try { new Inner( pLogger, pFinder ).process( pReaders ); } finally { for ( Reader reader : pReaders ) { try { reader.close(); } catch ( IOException e ) { // Whatever! } } } return this; } public Map<FauxPOref, Attributes> getLineMap() { return mLineMap; } private class Inner { private Logger mLogger; private Finder mFinder; private StringBuilder mBuilder; private Inner( Logger pLogger, Finder pFinder ) { mLogger = pLogger; mFinder = pFinder; } public void process( Reader[] pReaders ) throws IOException { if ( pReaders[0] instanceof ToStringInformative ) { mLogger.info.log( "Importing:" ); } for ( Reader reader : pReaders ) { if ( reader instanceof ToStringInformative ) { mLogger.info.log( " ", reader ); } BufferedReader bufRead = Utils.getBufferedReader( reader ); mBuilder = new StringBuilder(); for ( String line; null != (line = bufRead.readLine()); ) { putLineInMap( line ); } if ( mBuilder.length() != 0 ) { throw new UnclosedQuoteException( " did not find end of line " + mBuilder ); } } } private void putLineInMap( String pLine ) { if ( mBuilder.length() == 0 ) { pLine = pLine.trim(); if ( (pLine.length() == 0) || (pLine.charAt( 0 ) == ';') || (pLine.charAt( 0 ) == '#') || pLine.startsWith( "//" ) ) { return; } } mBuilder.append( pLine ); try { putBuilderInMap(); mBuilder.setLength( 0 ); } catch ( UnclosedQuoteException e ) { mBuilder.append( "\n" ); } } private void putBuilderInMap() { String[] decodedData = new CsvSupport().decode( mBuilder.toString() ); FauxPOref ref = new FauxPOref( mFinder, decodedData[0] ); if ( mFinder.getMetaDataRequired( ref.getPersistedObjectRegistrationName() ).isImportable() ) { Attributes attributes = parseData( decodedData ); if ( !attributes.isEmpty() ) { mLineMap.put( ref, attributes ); } } } private Attributes parseData( String[] pDecodedData ) { Attributes zAttributes = new Attributes(); for ( int i = 1; i < pDecodedData.length; ++i ) { String pair = Strings.noEmpty( pDecodedData[i] ); if ( pair != null ) { int equidx = pair.indexOf( '=' ); if ( equidx == -1 ) { throw new IllegalStateException( "No '=' in: " + pair ); } String attr = pair.substring( 0, equidx ).trim(); String value = pair.substring( equidx + 1 ).trim(); zAttributes.setNameValue( attr, value ); } } return zAttributes; } } } protected static class FauxPOref { public static int sWildcardSequence = 0; private MetaDataForPO mPOmd; private String mIdentifier; public FauxPOref( Finder pFinder, String pToString ) { PO_URLstringHelper helper = new PO_URLstringHelper( pToString ); String zIdentifierOrRegistrationName = helper.getPersistedObjectRegistrationName(); MetaDataForPO zMD = pFinder.getMetaDataOptionallyByIdentifier( zIdentifierOrRegistrationName ); mPOmd = (zMD != null) ? zMD : pFinder.getMetaDataRequired( zIdentifierOrRegistrationName ); mIdentifier = helper.getPersistentObjectUniqueKey(); if ( "?".equals( mIdentifier ) ) { mIdentifier = "gened-" + ++sWildcardSequence; } } public MetaDataForPO getPOmd() { return mPOmd; } public String getPersistedObjectRegistrationName() { return mPOmd.getPOregistrationName(); } public String getIdentifier() { return mIdentifier; } @Override public boolean equals( Object o ) { return (this == o) || ((o instanceof FauxPOref) && equals( (FauxPOref) o )); } public boolean equals( FauxPOref them ) { return (this == them) || // ((them != null) // && (this.mPOmd == them.mPOmd) // && this.mIdentifier.equals( them.mIdentifier ) // ); } @Override public int hashCode() { return 31 * getPersistedObjectRegistrationName().hashCode() + mIdentifier.hashCode(); } @Override public String toString() { return new PO_URLstringHelper( getPersistedObjectRegistrationName(), mIdentifier ).toString(); } } protected static class Attributes { private Map<String, String> mNameValues = new HashMap<String, String>(); public boolean isEmpty() { return mNameValues.isEmpty(); } public String[] getNames() { return mNameValues.keySet().toArray( new String[mNameValues.size()] ); } public String getValue( String pName ) { return mNameValues.get( pName ); } public void setNameValue( String pName, String pValue ) { if ( pName.endsWith( TODAY_RELATIVE ) ) { pName = pName.substring( 0, pName.length() - TODAY_RELATIVE.length() ).trim(); pValue = makeTodayRelative( pValue ); } else if ( pName.endsWith( DELTA_DATE_RELATIVE ) ) { pName = pName.substring( 0, pName.length() - DELTA_DATE_RELATIVE.length() ).trim(); pValue = makeDeltaDateRelative( pValue ); } if ( pName.length() != 0 ) { String curValue = (pValue.length() == 0) ? mNameValues.get( pName ) : mNameValues.put( pName, pValue ); if ( curValue != null ) { throw new IllegalArgumentException( "Duplicate Attribute for: " + pName ); } } } private String makeTodayRelative( String pValue ) { boolean zAdd; switch ( (pValue = pValue + " ").charAt( 0 ) ) { case '+': zAdd = true; break; case '-': zAdd = false; break; default: throw new IllegalArgumentException( "Neither a '+' nor a '-' after '" + TODAY_RELATIVE + "='" ); } String zYears, zMonths, zDays; String[] zParts = Strings.parseChar( pValue.substring( 1 ).trim(), '/' ); switch ( zParts.length ) { case 3: zYears = zParts[0]; zMonths = zParts[1]; zDays = zParts[2]; break; case 2: zYears = ""; zMonths = zParts[0]; zDays = zParts[1]; break; case 1: zYears = zMonths = ""; zDays = zParts[0]; break; default: throw new IllegalArgumentException( "Too many '/'s after '" + TODAY_RELATIVE + "='" ); } int iYears = parseInt( "Year", zYears ); int iMonths = parseInt( "Month", zMonths ); int iDays = parseInt( "Day", zDays ); CalendarYMD zDesiredDate = CalendarYMD.today(); if ( zAdd ) { zDesiredDate = zDesiredDate.addYears( iYears ); zDesiredDate = zDesiredDate.addMonths( iMonths ); zDesiredDate = zDesiredDate.addDays( iDays ); } else { zDesiredDate = zDesiredDate.minusYears( iYears ); zDesiredDate = zDesiredDate.minusMonths( iMonths ); zDesiredDate = zDesiredDate.minusDays( iDays ); } return zDesiredDate.toSQLvalue(); } private String makeDeltaDateRelative( String pValue ) { int zAt = pValue.indexOf( DELTA_DATE_SEP ); if ( zAt == -1 ) { throw new IllegalArgumentException( "No Delta Date Sep '" + DELTA_DATE_SEP + "'" ); } CalendarYMD zDesiredDate = to_CalendarYMD( "Desired Date", pValue.substring( 0, zAt ) ); CalendarYMD zDeltaDate = to_CalendarYMD( "Delta Date", pValue.substring( zAt + DELTA_DATE_SEP.length() ) ); CalendarYMD zToday = CalendarYMD.today(); zDesiredDate = zDesiredDate.addDays( zDeltaDate.daysTill( zToday ) ); return zDesiredDate.toString(); } private CalendarYMD to_CalendarYMD( String pWhat, String pString ) { try { return TypeConverter.to_CalendarYMD( pString.trim() ); } catch ( RuntimeException e ) { throw new IllegalArgumentException( pWhat + ":" + e.getMessage(), e ); } } private int parseInt( String pWhat, String pString ) { if ( (pString = pString.trim()).length() == 0 ) { return 0; } try { return Integer.parseInt( pString ); } catch ( NumberFormatException e ) { throw new IllegalArgumentException( pWhat + ":" + e.getMessage(), e ); } } } } |
Commits for litesoft/trunk/Java/core/Server/src/org/litesoft/orsup/DB_ImportSupport.java
Revision | Author | Commited | Message |
---|---|---|---|
917 Diff | GeorgeS | Sun 08 Dec, 2013 20:49:56 +0000 | 1.7 prep & VersionedStaticContentFilter upgrade to new “/ver” model! |
863 Diff | GeorgeS | Fri 16 Nov, 2012 22:14:29 +0000 | |
860 Diff | GeorgeS | Mon 05 Nov, 2012 01:39:02 +0000 | |
853 Diff | GeorgeS | Sun 04 Nov, 2012 15:18:21 +0000 | |
851 Diff | GeorgeS | Mon 08 Oct, 2012 00:05:32 +0000 | Breaking the code as Temporal changes are implemented... |
819 Diff | GeorgeS | Sat 18 Aug, 2012 18:09:40 +0000 | |
809 Diff | GeorgeS | Thu 16 Aug, 2012 04:10:46 +0000 | |
802 Diff | GeorgeS | Wed 15 Aug, 2012 04:04:47 +0000 | |
801 Diff | GeorgeS | Wed 15 Aug, 2012 03:59:02 +0000 | |
151 | GeorgeS | Thu 17 Mar, 2011 04:16:22 +0000 |