projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers

--- projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/BaseClasspathConditionsReader.java	                        (rev 0)
+++ projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/BaseClasspathConditionsReader.java	2014-03-20 20:47:42 UTC (rev 3061)
@@ -0,0 +1,48 @@

+package org.lcsim.conditions.readers;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.lcsim.conditions.ConditionsReader;
+
+/**
+ * This ConditionsReader finds conditions from embedded jar resources
+ * based on a resource path.
+ */
+public class BaseClasspathConditionsReader extends ConditionsReader {
+
+    private String _resourcePath;
+    
+    String propFileName = "detector.properties";
+
+    public BaseClasspathConditionsReader(String resourcePath) throws IOException {
+        _resourcePath = resourcePath;
+        
+        // This shouldn't be here but some (insane) logic in ConditionsReader depends on it for now.
+        if (getClass().getResourceAsStream("/" + _resourcePath + "/" + propFileName) == null) {
+            throw new IOException("Unable to find " + _resourcePath + "/" + propFileName + " on the classpath.");
+        }
+    }
+
+    /**
+     * Open an InputStream to conditions data by name and type.
+     * 
+     * To be found, the conditions data must exist as a resource on the classpath like: 
+     * 
+     * /[resourcePath]/[name].[type]
+     * 
+     * It will throw an <code>IOException</code> if the conditions do not exist.
+     * 
+     * @return An InputStream to the conditions data or null if does not exist.
+     */
+    public InputStream open(String name, String type) throws IOException {
+        InputStream in = getClass().getResourceAsStream("/" + _resourcePath + "/" + name + "." + type);
+        if (in == null) {
+        	throw new IOException("The conditions " + name + " of type " + type + " do not exist at path " + _resourcePath);
+        }
+        return in;
+    }
+
+    public void close() throws IOException {
+    }
+}

\ No newline at end of file

projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers

--- projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/DirectoryConditionsReader.java	                        (rev 0)
+++ projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/DirectoryConditionsReader.java	2014-03-20 20:47:42 UTC (rev 3061)
@@ -0,0 +1,29 @@

+package org.lcsim.conditions.readers;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.lcsim.conditions.ConditionsReader;
+
+public class DirectoryConditionsReader extends ConditionsReader {
+
+    private File dir;
+
+    public DirectoryConditionsReader(File file) throws IOException {
+        this.dir = file;
+    }
+
+    public InputStream open(String name, String type) throws IOException {
+        File file = new File(dir, name + "." + type);
+        if (!file.exists()) {
+            throw new IOException("Conditions " + name + "." + type + " not found, because directory " + file.getAbsolutePath() + " does not exist.");
+        }
+        return new BufferedInputStream(new FileInputStream(file));
+    }
+
+    public void close() throws IOException {
+    }
+}

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projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers

--- projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/DummyConditionsReader.java	                        (rev 0)
+++ projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/DummyConditionsReader.java	2014-03-20 20:47:42 UTC (rev 3061)
@@ -0,0 +1,16 @@

+package org.lcsim.conditions.readers;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.lcsim.conditions.ConditionsReader;
+
+public class DummyConditionsReader extends ConditionsReader {
+
+    public InputStream open(String name, String type) throws IOException {
+        throw new IOException("Conditions " + name + "." + type + " not found");
+    }
+
+    public void close() throws IOException {
+    }
+}

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projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers

--- projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/ZipConditionsReader.java	                        (rev 0)
+++ projects/lcsim/trunk/conditions/src/main/java/org/lcsim/conditions/readers/ZipConditionsReader.java	2014-03-20 20:47:42 UTC (rev 3061)
@@ -0,0 +1,30 @@

+package org.lcsim.conditions.readers;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+import org.lcsim.conditions.ConditionsReader;
+
+public class ZipConditionsReader extends ConditionsReader {
+
+    private ZipFile zip;
+
+    public ZipConditionsReader(File file) throws IOException {
+        this.zip = new ZipFile(file, ZipFile.OPEN_READ);
+    }
+
+    public InputStream open(String name, String type) throws IOException {
+        ZipEntry entry = zip.getEntry(name + "." + type);
+        if (entry == null) {
+            throw new IOException("Conditions " + name + "." + type + " not found");
+        }
+        return zip.getInputStream(entry);
+    }
+
+    public void close() throws IOException {
+        zip.close();
+    }
+}

\ No newline at end of file