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wdtk-datamodel/src/main/java/org/wikidata/wdtk/datamodel/implementation/SitesImpl.java
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| package org.wikidata.wdtk.datamodel.implementation; | ||
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| /* | ||
| * #%L | ||
| * Wikidata Toolkit Data Model | ||
| * %% | ||
| * Copyright (C) 2014 Wikidata Toolkit Developers | ||
| * %% | ||
| * Licensed 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. | ||
| * #L% | ||
| */ | ||
|
|
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| import java.io.UnsupportedEncodingException; | ||
| import java.net.URLEncoder; | ||
| import java.util.HashMap; | ||
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| import org.apache.commons.lang3.Validate; | ||
| import org.wikidata.wdtk.datamodel.interfaces.SiteLink; | ||
| import org.wikidata.wdtk.datamodel.interfaces.Sites; | ||
|
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| /** | ||
| * Implementation of the {@link Sites} interface that allows sites to be | ||
| * registered. Objects of this type are not immutable, since they are not data | ||
| * objects, but the {@link Sites} interface only supports read access. | ||
| * | ||
| * @author Markus Kroetzsch | ||
| * | ||
| */ | ||
| public class SitesImpl implements Sites { | ||
|
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| /** | ||
| * Simple record for holding information about a site. | ||
| * | ||
| * @author Markus Kroetzsch | ||
| * | ||
| */ | ||
| class SiteInformation { | ||
| final String siteKey; | ||
| final String group; | ||
| final String languageCode; | ||
| final String siteType; | ||
| final String filePathPre; | ||
| final String filePathPost; | ||
| final String pagePathPre; | ||
| final String pagePathPost; | ||
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| SiteInformation(String siteKey, String group, String languageCode, | ||
| String siteType, String filePath, String pagePath) { | ||
| // Null might be acceptable for some of the following; but this | ||
| // should only be changed when we have a case where this is correct. | ||
| Validate.notNull(siteKey, "Site key must not be null."); | ||
| Validate.notNull(group, "Group must not be null."); | ||
| Validate.notNull(languageCode, "Language code must not be null."); | ||
| Validate.notNull(siteType, "Site type must not be null."); | ||
| Validate.notNull(filePath, "File path must not be null."); | ||
| Validate.notNull(pagePath, "Page path must not be null."); | ||
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| this.siteKey = siteKey; | ||
| this.group = group; | ||
| this.languageCode = languageCode; | ||
| this.siteType = siteType; | ||
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| int iFileName = filePath.indexOf("$1"); | ||
| this.filePathPre = filePath.substring(0, iFileName); | ||
| this.filePathPost = filePath.substring(iFileName + 2, | ||
| filePath.length()); | ||
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| int iPageName = pagePath.indexOf("$1"); | ||
| this.pagePathPre = pagePath.substring(0, iPageName); | ||
| this.pagePathPost = pagePath.substring(iPageName + 2, | ||
| pagePath.length()); | ||
| } | ||
|
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| /** | ||
| * Returns the file URL. | ||
| * | ||
| * @see Sites#getFileUrl(String, String) | ||
| * @param fileName | ||
| * the file name | ||
| * @return the file URL | ||
| */ | ||
| String getFileUrl(String fileName) { | ||
| return this.filePathPre + fileName + this.filePathPost; | ||
| } | ||
|
|
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| /** | ||
| * Returns the page URL. The method replaces spaces by underscores in | ||
| * page titles on MediaWiki sites, since this is how MediaWiki page URLs | ||
| * are constructed. For other sites, this might not be the case and | ||
| * spaces will just be escaped in the standard way using "+". | ||
| * | ||
| * @see Sites#getPageUrl(String, String) | ||
| * @param pageTitle | ||
| * the page title, not escaped | ||
| * @return the page URL | ||
| */ | ||
| String getPageUrl(String pageTitle) { | ||
| try { | ||
| String encodedTitle; | ||
| if ("mediawiki".equals(this.siteType)) { | ||
| encodedTitle = URLEncoder.encode( | ||
| pageTitle.replace(" ", "_"), "utf-8"); | ||
| // Keep special title symbols unescaped: | ||
| encodedTitle = encodedTitle.replace("%3A", ":").replace( | ||
| "%2F", "/"); | ||
| } else { | ||
| encodedTitle = URLEncoder.encode(pageTitle, "utf-8"); | ||
| } | ||
| return this.pagePathPre + encodedTitle + this.pagePathPost; | ||
| } catch (UnsupportedEncodingException e) { | ||
| throw new RuntimeException( | ||
| "Your JRE does not support UTF-8 encoding. Srsly?!", e); | ||
| } | ||
| } | ||
| } | ||
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| final HashMap<String, SiteInformation> sites = new HashMap<String, SiteInformation>(); | ||
|
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| /** | ||
| * Sets the stored information for the site of the given key to the given | ||
| * values. | ||
| * | ||
| * @param siteKey | ||
| * the global site key | ||
| * @param group | ||
| * the site group | ||
| * @param languageCode | ||
| * the site MediaWiki language code | ||
| * @param siteType | ||
| * the site type | ||
| * @param filePath | ||
| * the file path with $1 as a placeholder for the file name | ||
| * @param pagePath | ||
| * the page path with $1 as a placeholder for the page title | ||
| */ | ||
| public void setSiteInformation(String siteKey, String group, | ||
| String languageCode, String siteType, String filePath, | ||
| String pagePath) { | ||
| this.sites.put(siteKey, new SiteInformation(siteKey, group, | ||
| languageCode, siteType, filePath, pagePath)); | ||
| } | ||
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| @Override | ||
| public String getLanguageCode(String siteKey) { | ||
| if (this.sites.containsKey(siteKey)) { | ||
| return this.sites.get(siteKey).languageCode; | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
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| @Override | ||
| public String getGroup(String siteKey) { | ||
| if (this.sites.containsKey(siteKey)) { | ||
| return this.sites.get(siteKey).group; | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
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| @Override | ||
| public String getPageUrl(String siteKey, String pageTitle) { | ||
| if (this.sites.containsKey(siteKey)) { | ||
| return this.sites.get(siteKey).getPageUrl(pageTitle); | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
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| @Override | ||
| public String getSiteLinkUrl(SiteLink siteLink) { | ||
| return this.getPageUrl(siteLink.getSiteKey(), siteLink.getPageTitle()); | ||
| } | ||
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| @Override | ||
| public String getFileUrl(String siteKey, String fileName) { | ||
| if (this.sites.containsKey(siteKey)) { | ||
| return this.sites.get(siteKey).getFileUrl(fileName); | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
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| @Override | ||
| public String getSiteType(String siteKey) { | ||
| if (this.sites.containsKey(siteKey)) { | ||
| return this.sites.get(siteKey).siteType; | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| } |
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