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package eu.dnetlib.enabling.tools;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import eu.dnetlib.enabling.is.sn.rmi.ISSNService;
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import eu.dnetlib.enabling.is.store.rmi.ISStoreException;
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import eu.dnetlib.enabling.is.store.rmi.ISStoreService;
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/**
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*
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* TODO: document. TODO: Too low level, why the interfacing the Store and not the Registry ?
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*
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* @author michele
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*
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*/
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public class ResourceType {
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/**
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* xmldb collection where resource types are stored.
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*/
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public static final String RESOURCE_TYPES = "DRIVERResourceTypes";
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/**
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* resource type. (Including kind?)
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*/
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private String resourceType; // NOPMD
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/**
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* resource schema. (Body?)
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*/
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private String resourceSchema; // NOPMD
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/**
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* file where a copy of the schema is stored locally TODO: why ?
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*/
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private File fileSchema;
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/**
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* instanciate an already registered resource type, fetching it from the store.
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*
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* @param resourceType
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* resourceType name
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* @param store
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* store service where the type is stored
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* @param basedir
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* base dir where a local copy is held (why?)
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* @throws ISStoreException
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* happens
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*/
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public ResourceType(final String resourceType, final ISStoreService store, final String basedir) throws ISStoreException {
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this(resourceType, store.getXML(resourceType, RESOURCE_TYPES), basedir);
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}
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/**
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* construct a resource type.
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*
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* @param resourceType
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* resourceType name
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* @param resourceSchema
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* resourceSchema xsd body
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* @param basedir
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* base directory of some local copy (?)
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* @throws ISStoreException
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* happens
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*/
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public ResourceType(final String resourceType, final String resourceSchema, final String basedir) throws ISStoreException {
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this.resourceType = resourceType;
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this.resourceSchema = resourceSchema;
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if (basedir != null)
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this.fileSchema = saveSchemaAsFile(basedir);
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}
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/**
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* stores the schema on the xmldb.
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*
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* @param store
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* store service
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* @throws ISStoreException
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* happens
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*/
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public void store(final ISStoreService store) throws ISStoreException {
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store.insertXML(resourceType, RESOURCE_TYPES, resourceSchema);
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}
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/**
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* updates the in memory resource instance from the store.
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*
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* @param store store service
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* @throws ISStoreException happens
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*/
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public void update(final ISStoreService store) throws ISStoreException {
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store.updateXML(resourceType, RESOURCE_TYPES, resourceSchema);
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}
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/**
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* save the schema to a file.
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*
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* @param basedir
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* base directory
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* @return the newly created file
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* @throws ISStoreException
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* happens, even if the file cannot be created.
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*/
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private File saveSchemaAsFile(final String basedir) throws ISStoreException {
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fileSchema = new File(basedir + "/" + resourceType);
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if (!fileSchema.exists()) {
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try {
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final BufferedWriter out = new BufferedWriter(new FileWriter(fileSchema));
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out.write(resourceSchema);
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out.close();
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} catch (IOException e) {
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throw new ISStoreException("Error saving file", e);
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}
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}
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return fileSchema;
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}
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/**
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* it says "delete and notify" but it only deletes the schema from the filesystem and from the store.
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*
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* TODO: document and possibly refactor.
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*
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* @param store
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* store service
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* @param issn
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* ISSN service
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* @throws ISStoreException
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* happens
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*/
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public void deleteAndNotify(final ISStoreService store, final ISSNService issn) throws ISStoreException {
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fileSchema.delete();
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store.deleteXML(resourceType, RESOURCE_TYPES);
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}
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public String getResourceType() {
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return resourceType;
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}
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public void setResourceType(final String resourceType) {
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this.resourceType = resourceType;
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}
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public String getResourceSchema() {
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return resourceSchema;
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}
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public void setResourceSchema(final String resourceSchema) {
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this.resourceSchema = resourceSchema;
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}
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public File getFileSchema() {
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return fileSchema;
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}
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public void setFileSchema(final File fileSchema) {
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this.fileSchema = fileSchema;
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}
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}
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