| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.uima.resource.metadata.impl; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.apache.uima.UIMAFramework; |
| import org.apache.uima.UIMA_IllegalArgumentException; |
| import org.apache.uima.resource.ResourceManager; |
| import org.apache.uima.resource.impl.ResourceManager_impl; |
| import org.apache.uima.resource.metadata.Import; |
| import org.apache.uima.resource.metadata.ResourceMetaData; |
| import org.apache.uima.resource.metadata.TypeDescription; |
| import org.apache.uima.resource.metadata.TypeSystemDescription; |
| import org.apache.uima.util.InvalidXMLException; |
| import org.apache.uima.util.XMLInputSource; |
| import org.apache.uima.util.XMLizable; |
| |
| /** |
| * Reference implementation of {@link TypeSystemDescription}. |
| * |
| * |
| */ |
| public class TypeSystemDescription_impl extends MetaDataObject_impl implements |
| TypeSystemDescription { |
| |
| static final long serialVersionUID = -3372766232454730201L; |
| |
| private String mName; |
| |
| private String mVersion; |
| |
| private String mDescription; |
| |
| private String mVendor; |
| |
| private Import[] mImports = Import.EMPTY_IMPORTS; |
| |
| /** Descriptions of all Types in this type system. */ |
| private TypeDescription[] mTypes = TypeDescription.EMPTY_TYPE_DESCRIPTIONS; |
| |
| /** |
| * Creates a new TypeSystemDescription_impl. |
| */ |
| public TypeSystemDescription_impl() { |
| } |
| |
| /** |
| * @see ResourceMetaData#getName() |
| */ |
| public String getName() { |
| return mName; |
| } |
| |
| /** |
| * @see ResourceMetaData#setName(String) |
| */ |
| public void setName(String aName) { |
| mName = aName; |
| } |
| |
| /** |
| * @see ResourceMetaData#getVersion() |
| */ |
| public String getVersion() { |
| return mVersion; |
| } |
| |
| /** |
| * @see ResourceMetaData#setVersion(String) |
| */ |
| public void setVersion(String aVersion) { |
| mVersion = aVersion; |
| } |
| |
| /** |
| * @see ResourceMetaData#getDescription() |
| */ |
| public String getDescription() { |
| return mDescription; |
| } |
| |
| /** |
| * @see ResourceMetaData#setDescription(String) |
| */ |
| public void setDescription(String aDescription) { |
| mDescription = aDescription; |
| } |
| |
| /** |
| * @see ResourceMetaData#getVendor() |
| */ |
| public String getVendor() { |
| return mVendor; |
| } |
| |
| /** |
| * @see ResourceMetaData#setVendor(String) |
| */ |
| public void setVendor(String aVendor) { |
| mVendor = aVendor; |
| } |
| |
| /** |
| * @see TypeSystemDescription#getImports() |
| */ |
| public Import[] getImports() { |
| return mImports; |
| } |
| |
| /** |
| * @see TypeSystemDescription#setImports(Import[]) |
| */ |
| public void setImports(Import[] aImports) { |
| if (aImports == null) { |
| throw new UIMA_IllegalArgumentException(UIMA_IllegalArgumentException.ILLEGAL_ARGUMENT, |
| new Object[] { "null", "aImports", "setImports" }); |
| } |
| mImports = aImports; |
| } |
| |
| /** |
| * @see TypeSystemDescription#getTypes() |
| */ |
| public TypeDescription[] getTypes() { |
| return mTypes; |
| } |
| |
| /** |
| * @see TypeSystemDescription#setTypes(TypeDescription[]) |
| */ |
| public void setTypes(TypeDescription[] aTypes) { |
| if (aTypes == null) { |
| throw new UIMA_IllegalArgumentException(UIMA_IllegalArgumentException.ILLEGAL_ARGUMENT, |
| new Object[] { "null", "aTypes", "setTypes" }); |
| } |
| mTypes = aTypes; |
| } |
| |
| /** |
| * @see TypeSystemDescription#addType(String, String, String) |
| */ |
| public TypeDescription addType(String aTypeName, String aDescription, String aSupertypeName) { |
| // create new type description |
| TypeDescription newType = new TypeDescription_impl(aTypeName, aDescription, aSupertypeName); |
| |
| // add to array |
| TypeDescription[] types = getTypes(); |
| if (types == null) { |
| setTypes(new TypeDescription[] { newType }); |
| } else { |
| TypeDescription[] newArray = new TypeDescription[types.length + 1]; |
| System.arraycopy(types, 0, newArray, 0, types.length); |
| newArray[types.length] = newType; |
| setTypes(newArray); |
| } |
| |
| return newType; |
| } |
| |
| /** |
| * @see TypeSystemDescription#getType(java.lang.String) |
| */ |
| public TypeDescription getType(String aTypeName) { |
| for (int i = 0; i < mTypes.length; i++) { |
| if (aTypeName.equals(mTypes[i].getName())) |
| return mTypes[i]; |
| } |
| return null; |
| } |
| |
| /** |
| * @see TypeSystemDescription#resolveImports() |
| */ |
| // allow these calls to be done multiple times on this same object, in different threads |
| public synchronized void resolveImports() throws InvalidXMLException { |
| if (getImports().length == 0) { |
| resolveImports(null, null); |
| } else { |
| resolveImports(new TreeSet<String>(), UIMAFramework.newDefaultResourceManager()); |
| } |
| } |
| |
| public synchronized void resolveImports(ResourceManager aResourceManager) throws InvalidXMLException { |
| resolveImports((getImports().length == 0) ? null : new TreeSet<String>(), aResourceManager); |
| } |
| |
| public synchronized void resolveImports(Collection<String> aAlreadyImportedTypeSystemURLs, |
| ResourceManager aResourceManager) throws InvalidXMLException { |
| List<TypeDescription> importedTypes = null; |
| if (getImports().length != 0) { |
| // add our own URL, if known, to the collection of already imported URLs |
| if (getSourceUrl() != null) { |
| aAlreadyImportedTypeSystemURLs.add(getSourceUrl().toString()); |
| } |
| |
| importedTypes = new ArrayList<TypeDescription>(); |
| Import[] imports = getImports(); |
| for (int i = 0; i < imports.length; i++) { |
| // make sure Import's relative path base is set, to allow for users who create |
| // new import objects |
| if (imports[i] instanceof Import_impl) { |
| ((Import_impl) imports[i]).setSourceUrlIfNull(this.getSourceUrl()); |
| } |
| URL url = imports[i].findAbsoluteUrl(aResourceManager); |
| if (!aAlreadyImportedTypeSystemURLs.contains(url.toString())) { |
| aAlreadyImportedTypeSystemURLs.add(url.toString()); |
| try { |
| resolveImport(url, aAlreadyImportedTypeSystemURLs, importedTypes, aResourceManager); |
| } catch (IOException e) { |
| throw new InvalidXMLException(InvalidXMLException.IMPORT_FAILED_COULD_NOT_READ_FROM_URL, |
| new Object[] { url, imports[i].getSourceUrlString() }, e); |
| } |
| } |
| } |
| } |
| // maybe update this object |
| TypeDescription[] existingTypes = this.getTypes(); |
| if (existingTypes == null) { |
| this.setTypes(existingTypes = TypeDescription.EMPTY_TYPE_DESCRIPTIONS); |
| } |
| if (null != importedTypes) { |
| TypeDescription[] newTypes = new TypeDescription[existingTypes.length + importedTypes.size()]; |
| System.arraycopy(existingTypes, 0, newTypes, 0, existingTypes.length); |
| for (int i = 0; i < importedTypes.size(); i++) { |
| newTypes[existingTypes.length + i] = importedTypes.get(i); |
| } |
| this.setTypes(newTypes); |
| } |
| // clear imports |
| this.setImports(Import.EMPTY_IMPORTS); |
| } |
| |
| private void resolveImport(URL aURL, Collection<String> aAlreadyImportedTypeSystemURLs, |
| Collection<TypeDescription> aResults, ResourceManager aResourceManager) throws InvalidXMLException, |
| IOException { |
| //check the import cache |
| TypeSystemDescription desc; |
| String urlString = aURL.toString(); |
| Map<String, XMLizable> importCache = ((ResourceManager_impl)aResourceManager).getImportCache(); |
| Map<String, Set<String>> importUrlsCache = ((ResourceManager_impl)aResourceManager).getImportUrlsCache(); |
| synchronized(importCache) { |
| XMLizable cachedObject = importCache.get(urlString); |
| if (cachedObject instanceof TypeSystemDescription) { |
| desc = (TypeSystemDescription)cachedObject; |
| // Add the URLs parsed for this cached object to the list already-parsed (UIMA-5058) |
| aAlreadyImportedTypeSystemURLs.addAll(importUrlsCache.get(urlString)); |
| } else { |
| XMLInputSource input; |
| input = new XMLInputSource(aURL); |
| desc = UIMAFramework.getXMLParser().parseTypeSystemDescription(input); |
| TreeSet<String> previouslyImported = new TreeSet<String>(aAlreadyImportedTypeSystemURLs); |
| desc.resolveImports(aAlreadyImportedTypeSystemURLs, aResourceManager); |
| importCache.put(urlString, desc); |
| // Save the URLS parsed by this import |
| TreeSet<String> locallyImported = new TreeSet<String>(aAlreadyImportedTypeSystemURLs); |
| locallyImported.removeAll(previouslyImported); |
| importUrlsCache.put(urlString, locallyImported); |
| } |
| |
| } |
| aResults.addAll(Arrays.asList(desc.getTypes())); |
| } |
| |
| protected XmlizationInfo getXmlizationInfo() { |
| return XMLIZATION_INFO; |
| } |
| |
| static final private XmlizationInfo XMLIZATION_INFO = new XmlizationInfo("typeSystemDescription", |
| new PropertyXmlInfo[] { new PropertyXmlInfo("name", true), |
| new PropertyXmlInfo("description", true), new PropertyXmlInfo("version", true), |
| new PropertyXmlInfo("vendor", true), new PropertyXmlInfo("imports", true), |
| new PropertyXmlInfo("types", true) }); |
| } |