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/**
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* '$RCSfile$'
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* Purpose: A Class that stores xml schema information
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* Copyright: 2008 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Michael Daigle
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*
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* '$Author: leinfelder $'
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* '$Date: 2008-09-26 15:43:57 -0700 (Fri, 26 Sep 2008) $'
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* '$Revision: 4399 $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.service;
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import org.apache.log4j.Logger;
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import edu.ucsb.nceas.metacat.util.SystemUtil;
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import edu.ucsb.nceas.utilities.PropertyNotFoundException;
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public class XMLSchema {
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private String fileNamespace = null;
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private String externalFileUri = null;
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private String fileName = null;
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private String localFileUri = null;
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private String localFileDir = null;
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private Logger logMetacat = Logger.getLogger(XMLSchema.class);
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/**
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* Constructor - the schema file name will be extracted from the external
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* file uri. The local file uri and local file dir will be constructed using
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* system values and the file name.
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*
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* @param fileNamespace
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* the file's name space
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* @param externalFileUri
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* the external uri where the schema is located
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*/
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public XMLSchema(String fileNamespace, String externalFileUri) {
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setFileNamespace(fileNamespace);
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setExternalFileUri(externalFileUri);
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}
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/**
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* Constructor - sets the schema file namespace only. The file name will
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* need to be added separately.
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*
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* @param namespace
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* the file's name space
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*/
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public XMLSchema(String fileNamespace) {
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setFileNamespace(fileNamespace);
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}
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/**
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* Set the file name. The local file uri and local file dir will also get
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* set using system context url and dir values and the schema directory
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* value.
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*
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* @param fileName
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* the file name to set
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*/
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public void setFileName(String fileName) {
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// there are a few different cases for the file name:
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// -- it starts with /schema/. if so, use everything after /schema/ as
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// the file name.
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// -- it starts with http and has /schema/ in the path. again, use
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// everything after /schema/
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// -- it starts with http but doesnt have /schema/ in the path. use
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// everything after the last / as the file name
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// -- otherwise leave the file name as is.
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if (fileName.startsWith(XMLSchemaService.SCHEMA_DIR)) {
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fileName = fileName.substring(XMLSchemaService.SCHEMA_DIR.length());
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} else if (fileName.startsWith("http") && fileName.contains(XMLSchemaService.SCHEMA_DIR)) {
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int index = fileName.lastIndexOf(XMLSchemaService.SCHEMA_DIR) + XMLSchemaService.SCHEMA_DIR.length();
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fileName = fileName.substring(index);
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} else if (fileName.startsWith("http")) {
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fileName = fileName.substring(fileName.lastIndexOf('/') + 1);
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}
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this.fileName = fileName;
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try {
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this.localFileUri = SystemUtil.getContextURL() + XMLSchemaService.SCHEMA_DIR
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+ fileName;
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} catch (PropertyNotFoundException pnfe) {
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localFileUri = XMLSchemaService.SCHEMA_DIR + fileName;
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logMetacat.warn("Could not get context url. Setting localFileUri to: "
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+ localFileUri);
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}
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try {
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this.localFileDir = SystemUtil.getContextDir() + XMLSchemaService.SCHEMA_DIR
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+ fileName;
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} catch (PropertyNotFoundException pnfe) {
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localFileDir = XMLSchemaService.SCHEMA_DIR + fileName;
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logMetacat.warn("Could not get context directory. Setting localFileDir to: "
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+ localFileDir);
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}
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}
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/**
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* Gets the file name
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*
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* @return string holding the file name
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*/
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public String getFileName() {
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return fileName;
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}
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/**
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* Sets the file namespace
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*
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* @param fileNamespace
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* the namespace to set
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*/
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public void setFileNamespace(String fileNamespace) {
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this.fileNamespace = fileNamespace;
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}
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/**
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* Gets the file namespace
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*
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* @return a string holding the file namespace
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*/
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public String getFileNamespace() {
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return fileNamespace;
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}
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/**
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* Sets the external file uri. Extracts the file name from the uri and sets
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* the file name as well.
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*
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* @param externalFileUri
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* the external file uri to set
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*/
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public void setExternalFileUri(String externalFileUri) {
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this.externalFileUri = externalFileUri;
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String fileName = XMLSchemaService.getSchemaFileNameFromUri(externalFileUri);
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setFileName(fileName);
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}
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/**
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* Gets the external file uri
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* @return a string holding the external file uri
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*/
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public String getExternalFileUri() {
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return externalFileUri;
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}
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/**
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* Sets the local file uri. If the uri doesn't start with http:// the full
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* uri is constructed using the system context url and the schema directory.
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*
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* @param localFileUri
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* the base uri to set.
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*/
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public void setLocalFileUri(String localFileUri) {
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if (!localFileUri.startsWith("http://")) {
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try {
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localFileUri = SystemUtil.getContextURL() + XMLSchemaService.SCHEMA_DIR + localFileUri;
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} catch (PropertyNotFoundException pnfe) {
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logMetacat.warn("Could not find context url: " + pnfe.getMessage() +
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". Setting schema file uri to: " + XMLSchemaService.SCHEMA_DIR + localFileUri);
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localFileUri = XMLSchemaService.SCHEMA_DIR + localFileUri;
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}
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}
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this.localFileUri = localFileUri;
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}
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/**
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* Gets the local file uri
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*
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* @return a string holding the local file uri
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*/
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public String getLocalFileUri() {
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return localFileUri;
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}
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/**
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* Gets the local file directory path
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*
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* @return a string holding the local file directory path
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*/
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public String getLocalFileDir() {
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return localFileDir;
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}
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}
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