X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.cms.jcr.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Futil%2FStyleSheetResourceLoader.java;fp=swt%2Forg.argeo.cms.jcr.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Futil%2FStyleSheetResourceLoader.java;h=1e17dc930e418a9cc131e63086e4235bf9b8e7a9;hb=777e96758c36e1cfdecedb8749e384f6fe124a06;hp=0000000000000000000000000000000000000000;hpb=d2760f3b59a623a4428bca53bc395433c7fde845;p=gpl%2Fargeo-jcr.git

diff --git a/swt/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/StyleSheetResourceLoader.java b/swt/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/StyleSheetResourceLoader.java
new file mode 100644
index 0000000..1e17dc9
--- /dev/null
+++ b/swt/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/util/StyleSheetResourceLoader.java
@@ -0,0 +1,71 @@
+package org.argeo.cms.ui.util;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.cms.swt.CmsException;
+import org.eclipse.rap.rwt.service.ResourceLoader;
+import org.osgi.framework.Bundle;
+
+/** {@link ResourceLoader} caching stylesheets. */
+public class StyleSheetResourceLoader implements ResourceLoader {
+	private Bundle themeBundle;
+	private Map<String, StyleSheet> stylesheets = new LinkedHashMap<String, StyleSheet>();
+
+	public StyleSheetResourceLoader(Bundle themeBundle) {
+		this.themeBundle = themeBundle;
+	}
+
+	@Override
+	public InputStream getResourceAsStream(String resourceName) throws IOException {
+		if (!stylesheets.containsKey(resourceName)) {
+			// TODO deal with other bundles
+			// Bundle bundle = bundleContext.getBundle();
+			// String location =
+			// bundle.getLocation().substring("initial@reference:".length());
+			// if (location.startsWith("file:")) {
+			// Path path = null;
+			// try {
+			// path = Paths.get(new URI(location));
+			// } catch (URISyntaxException e) {
+			// e.printStackTrace();
+			// }
+			// if (path != null) {
+			// Path resourcePath = path.resolve(resourceName);
+			// if (Files.exists(resourcePath))
+			// return Files.newInputStream(resourcePath);
+			// }
+			// }
+
+			URL res = themeBundle.getEntry(resourceName);
+			if (res == null)
+				throw new CmsException(
+						"Entry " + resourceName + " not found in bundle " + themeBundle.getSymbolicName());
+			ByteArrayOutputStream out = new ByteArrayOutputStream();
+			IOUtils.copy(res.openStream(), out);
+			stylesheets.put(resourceName, new StyleSheet(out.toByteArray()));
+		}
+		return new ByteArrayInputStream(stylesheets.get(resourceName).getData());
+		// return res.openStream();
+	}
+
+	private class StyleSheet {
+		private byte[] data;
+
+		public StyleSheet(byte[] data) {
+			super();
+			this.data = data;
+		}
+
+		public byte[] getData() {
+			return data;
+		}
+
+	}
+}