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| -rw-r--r-- | odk/examples/DevelopersGuide/OfficeDev/Linguistic/SampleSpellChecker.java | 457 |
1 files changed, 457 insertions, 0 deletions
diff --git a/odk/examples/DevelopersGuide/OfficeDev/Linguistic/SampleSpellChecker.java b/odk/examples/DevelopersGuide/OfficeDev/Linguistic/SampleSpellChecker.java new file mode 100644 index 000000000..dc7ddfddd --- /dev/null +++ b/odk/examples/DevelopersGuide/OfficeDev/Linguistic/SampleSpellChecker.java @@ -0,0 +1,457 @@ +/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * the BSD license. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************/ + +// uno +import com.sun.star.lib.uno.helper.ComponentBase; +import com.sun.star.uno.UnoRuntime; + +// factories +import com.sun.star.lang.XSingleComponentFactory; + +// supported Interfaces +import com.sun.star.linguistic2.XSpellChecker; +import com.sun.star.linguistic2.XLinguServiceEventBroadcaster; +import com.sun.star.lang.XInitialization; +import com.sun.star.lang.XServiceInfo; +import com.sun.star.lang.XServiceDisplayName; + +// Exceptions +import com.sun.star.uno.Exception; +import com.sun.star.lang.IllegalArgumentException; + +//used Interfaces +import com.sun.star.linguistic2.XLinguServiceEventListener; +import com.sun.star.linguistic2.XSpellAlternatives; +import com.sun.star.linguistic2.SpellFailure; +import com.sun.star.lang.Locale; +import com.sun.star.beans.XPropertySet; +import com.sun.star.beans.PropertyValue; +import com.sun.star.uno.AnyConverter; +import java.util.ArrayList; + +public class SampleSpellChecker extends ComponentBase implements + XSpellChecker, + XLinguServiceEventBroadcaster, + XInitialization, + XServiceDisplayName, + XServiceInfo +{ + PropChgHelper_Spell aPropChgHelper; + ArrayList<?> aEvtListeners; + boolean bDisposing; + + public SampleSpellChecker() + { + // names of relevant properties to be used + String[] aProps = new String[] + { + "IsIgnoreControlCharacters", + "IsUseDictionaryList", + "IsGermanPreReform", + "IsSpellUpperCase", + "IsSpellWithDigits", + "IsSpellCapitalization" + }; + aPropChgHelper = new PropChgHelper_Spell( this, aProps ); + aEvtListeners = new ArrayList<Object>(); + bDisposing = false; + } + + private boolean IsEqual( Locale aLoc1, Locale aLoc2 ) + { + return aLoc1.Language.equals( aLoc2.Language ) && + aLoc1.Country .equals( aLoc2.Country ) && + aLoc1.Variant .equals( aLoc2.Variant ); + } + + private boolean GetValueToUse( + String aPropName, + boolean bDefaultVal, + PropertyValue[] aProps ) + { + boolean bRes = bDefaultVal; + + try + { + // use temporary value if supplied + for (int i = 0; i < aProps.length; ++i) + { + if (aPropName.equals( aProps[i].Name )) + { + Object aObj = aProps[i].Value; + if (AnyConverter.isBoolean( aObj )) + { + bRes = AnyConverter.toBoolean( aObj ); + return bRes; + } + } + } + + // otherwise use value from property set (if available) + XPropertySet xPropSet = aPropChgHelper.GetPropSet(); + if (xPropSet != null) // should always be the case + { + Object aObj = xPropSet.getPropertyValue( aPropName ); + if (AnyConverter.isBoolean( aObj )) + bRes = AnyConverter.toBoolean( aObj ); + } + } + catch (Exception e) { + bRes = bDefaultVal; + } + + return bRes; + } + + private boolean IsUpper( String aWord, Locale aLocale ) + { + java.util.Locale aLang = new java.util.Locale( + aLocale.Language, aLocale.Country, aLocale.Variant ); + return aWord.equals( aWord.toUpperCase( aLang ) ); + } + + private boolean HasDigits( String aWord ) + { + int nLen = aWord.length(); + for (int i = 0; i < nLen; ++i) + { + if (Character.isDigit( aWord.charAt(i) )) + return true; + } + return false; + } + + private short GetSpellFailure( + String aWord, + Locale aLocale, + PropertyValue[] aProperties ) + { + short nRes = -1; + + //!! This code needs to be replaced by code calling the actual + //!! implementation of your spellchecker + boolean bIsGermanPreReform = GetValueToUse( "IsGermanPreReform", false, aProperties ); + if (IsEqual( aLocale, new Locale( "de", "DE", "" ) )) + { + if (bIsGermanPreReform && aWord.equals( "Schifffahrt" )) + nRes = SpellFailure.SPELLING_ERROR; + else if (!bIsGermanPreReform && aWord.equals( "Schiffahrt" )) + nRes = SpellFailure.SPELLING_ERROR; + } + else if (IsEqual( aLocale, new Locale( "en", "US", "" ) )) + { + // words with 'u', 'U' and 'arizona' are defined to be incorrect + boolean bIsValid = !(aWord.indexOf( "u" ) != -1 || aWord.indexOf( "U" ) != -1) + && !aWord.equals( "arizona" ); + + if (!bIsValid) + { + // default value (no other SpellFailure type is applicable) + nRes = SpellFailure.SPELLING_ERROR; + + if (aWord.equals( "arizona" )) + nRes = SpellFailure.CAPTION_ERROR; + else if (aWord.equals( "house" )) + nRes = SpellFailure.SPELLING_ERROR; + else if (aWord.equals( "course" )) + nRes = SpellFailure.IS_NEGATIVE_WORD; + } + } + + return nRes; + } + + private XSpellAlternatives GetProposals( + String aWord, + Locale aLocale, + PropertyValue[] aProperties ) + { + short nType = SpellFailure.SPELLING_ERROR; + String[] aProposals = null; + + // get values of relevant properties that may be used. + //! The values for 'IsIgnoreControlCharacters' and 'IsUseDictionaryList' + //! are handled by the dispatcher! Thus there is no need to access + //! them here. + boolean bIsGermanPreReform = GetValueToUse( "IsGermanPreReform", false, aProperties ); + boolean bIsSpellWithDigits = GetValueToUse( "IsSpellWithDigits", false, aProperties ); + boolean bIsSpellUpperCase = GetValueToUse( "IsSpellUpperCase", false, aProperties ); + boolean bIsSpellCapitalization = GetValueToUse( "IsSpellCapitalization", true, aProperties ); + + //!! This code needs to be replaced by code calling the actual + //!! implementation of your spellchecker + if (IsEqual( aLocale, new Locale( "de", "DE", "" ) )) + { + if (bIsGermanPreReform && aWord.equals( "Schifffahrt" )) + { + nType = SpellFailure.SPELLING_ERROR; + aProposals = new String[]{ "Schiffahrt" }; + } + else if (!bIsGermanPreReform && aWord.equals( "Schiffahrt" )) + { + nType = SpellFailure.SPELLING_ERROR; + aProposals = new String[]{ "Schifffahrt" }; + } + } + else if (IsEqual( aLocale, new Locale( "en", "US", "" ) )) + { + if (aWord.equals( "arizona" )) + { + nType = SpellFailure.CAPTION_ERROR; + aProposals = new String[]{ "Arizona" }; + } + else if (aWord.equals( "house" )) + { + nType = SpellFailure.SPELLING_ERROR; + aProposals = new String[]{ "horse", "home" }; + } + else if (aWord.equals( "course" )) + { + nType = SpellFailure.IS_NEGATIVE_WORD; + aProposals = new String[]{ "line", "plan", "approach" }; + } + } + + // always return a result if word is incorrect, + // proposals may be empty though. + return new XSpellAlternatives_impl( aWord, aLocale, + nType, aProposals ); + } + + // __________ interface methods __________ + + + + //XSupportedLocales + + public Locale[] getLocales() + throws com.sun.star.uno.RuntimeException + { + Locale aLocales[] = + { + new Locale( "de", "DE", "" ), + new Locale( "en", "US", "" ) + }; + + return aLocales; + } + + public boolean hasLocale( Locale aLocale ) + throws com.sun.star.uno.RuntimeException + { + boolean bRes = false; + if ( IsEqual( aLocale, new Locale( "de", "DE", "" ) ) || + IsEqual( aLocale, new Locale( "en", "US", "" ) )) + bRes = true; + return bRes; + } + + + + //XSpellChecker + + public boolean isValid( + String aWord, Locale aLocale, + PropertyValue[] aProperties ) + throws com.sun.star.uno.RuntimeException, + IllegalArgumentException + { + if (IsEqual( aLocale, new Locale() ) || aWord.length() == 0) + return true; + + // linguistic is currently not allowed to throw exceptions + // thus we return null which means 'word cannot be spelled' + if (!hasLocale( aLocale )) + return true; + + // get values of relevant properties that may be used. + //! The values for 'IsIgnoreControlCharacters' and 'IsUseDictionaryList' + //! are handled by the dispatcher! Thus there is no need to access + //! them here. + boolean bIsGermanPreReform = GetValueToUse( "IsGermanPreReform", false, aProperties ); + boolean bIsSpellWithDigits = GetValueToUse( "IsSpellWithDigits", false, aProperties ); + boolean bIsSpellUpperCase = GetValueToUse( "IsSpellUpperCase", false, aProperties ); + boolean bIsSpellCapitalization = GetValueToUse( "IsSpellCapitalization", true, aProperties ); + + short nFailure = GetSpellFailure( aWord, aLocale, aProperties ); + if (nFailure != -1) + { + // postprocess result for errors that should be ignored + if ( (!bIsSpellUpperCase && IsUpper( aWord, aLocale )) + || (!bIsSpellWithDigits && HasDigits( aWord )) + || (!bIsSpellCapitalization + && nFailure == SpellFailure.CAPTION_ERROR) + ) + nFailure = -1; + } + + return nFailure == -1; + } + + + public XSpellAlternatives spell( + String aWord, Locale aLocale, + PropertyValue[] aProperties ) + throws com.sun.star.uno.RuntimeException, + IllegalArgumentException + { + if (IsEqual( aLocale, new Locale() ) || aWord.length() == 0) + return null; + + // linguistic is currently not allowed to throw exceptions + // thus we return null fwhich means 'word cannot be spelled' + if (!hasLocale( aLocale )) + return null; + + XSpellAlternatives xRes = null; + if (!isValid( aWord, aLocale, aProperties )) + { + xRes = GetProposals( aWord, aLocale, aProperties ); + } + return xRes; + } + + + + //XLinguServiceEventBroadcaster + + public boolean addLinguServiceEventListener ( + XLinguServiceEventListener xLstnr ) + throws com.sun.star.uno.RuntimeException + { + boolean bRes = false; + if (!bDisposing && xLstnr != null) + bRes = aPropChgHelper.addLinguServiceEventListener( xLstnr ); + return bRes; + } + + public boolean removeLinguServiceEventListener( + XLinguServiceEventListener xLstnr ) + throws com.sun.star.uno.RuntimeException + { + boolean bRes = false; + if (!bDisposing && xLstnr != null) + bRes = aPropChgHelper.removeLinguServiceEventListener( xLstnr ); + return bRes; + } + + + // XServiceDisplayName + + public String getServiceDisplayName( Locale aLocale ) + throws com.sun.star.uno.RuntimeException + { + return "Java Samples"; + } + + + // XInitialization + + public void initialize( Object[] aArguments ) + throws com.sun.star.uno.Exception, + com.sun.star.uno.RuntimeException + { + int nLen = aArguments.length; + if (2 == nLen) + { + XPropertySet xPropSet = UnoRuntime.queryInterface( + XPropertySet.class, aArguments[0]); + // start listening to property changes + aPropChgHelper.AddAsListenerTo( xPropSet ); + } + } + + + // XServiceInfo + + public boolean supportsService( String aServiceName ) + throws com.sun.star.uno.RuntimeException + { + String[] aServices = getSupportedServiceNames_Static(); + int i, nLength = aServices.length; + boolean bResult = false; + + for( i = 0; !bResult && i < nLength; ++i ) + bResult = aServiceName.equals( aServices[ i ] ); + + return bResult; + } + + public String getImplementationName() + throws com.sun.star.uno.RuntimeException + { + return _aSvcImplName; + } + + public String[] getSupportedServiceNames() + throws com.sun.star.uno.RuntimeException + { + return getSupportedServiceNames_Static(); + } + + // __________ static things __________ + + public static String _aSvcImplName = SampleSpellChecker.class.getName(); + + public static String[] getSupportedServiceNames_Static() + { + String[] aResult = { "com.sun.star.linguistic2.SpellChecker" }; + return aResult; + } + + + /** + * Returns a factory for creating the service. + * This method is called by the <code>JavaLoader</code> + * <p> + * @return returns a <code>XSingleComponentFactory</code> for creating the component + * @param aImplName the name of the implementation for which a service is desired + * @see com.sun.star.comp.loader.JavaLoader + */ + public static XSingleComponentFactory __getComponentFactory( + String aImplName ) + { + XSingleComponentFactory xSingleComponentFactory = null; + if( aImplName.equals( _aSvcImplName ) ) + { + xSingleComponentFactory = new OneInstanceFactory( + SampleSpellChecker.class, _aSvcImplName, + getSupportedServiceNames_Static() ); + } + return xSingleComponentFactory; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |