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Merge pull request #33 from swisspost/develop
PR for release
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61 changes: 61 additions & 0 deletions
61
src/main/java/org/swisspush/mirror/util/MimeTypeResolver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package org.swisspush.mirror.util; | ||
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| import org.slf4j.Logger; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Properties; | ||
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| import static org.slf4j.LoggerFactory.getLogger; | ||
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| public class MimeTypeResolver { | ||
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| private static final Logger log = getLogger(MimeTypeResolver.class); | ||
| private Map<String, String> mimeTypes = new HashMap<>(); | ||
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| private final String defaultMimeType; | ||
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| public MimeTypeResolver(String defaultMimeType) { | ||
| this.defaultMimeType = defaultMimeType; | ||
| Properties props = new Properties(); | ||
| InputStream in = this.getClass().getClassLoader().getResourceAsStream("mime-types.properties"); | ||
| try { | ||
| props.load(in); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } finally { | ||
| try { | ||
| if(in != null) { | ||
| in.close(); | ||
| } | ||
| } catch (IOException ex) { | ||
| log.debug("close() failed", ex); | ||
| } | ||
| } | ||
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| for( Map.Entry<Object, Object> entry : props.entrySet()) { | ||
| mimeTypes.put(((String)entry.getKey()).toLowerCase(), (String)entry.getValue()); | ||
| } | ||
| } | ||
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| public String resolveMimeType(String path) { | ||
| int lastSlash = path.lastIndexOf("/"); | ||
| String part = path; | ||
| if(lastSlash >= 0 && !path.endsWith("/")) { | ||
| part = part.substring(lastSlash+1); | ||
| } | ||
| int dot = part.lastIndexOf("."); | ||
| if(dot == -1 || part.endsWith(".")) { | ||
| return defaultMimeType; | ||
| } else { | ||
| String extension = part.substring(dot+1); | ||
| String type = mimeTypes.get(extension.toLowerCase()); | ||
| if(type==null) { | ||
| type = "text/plain"; | ||
| } | ||
| return type; | ||
| } | ||
| } | ||
| } |
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