X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.support%2Fsrc%2Forg%2Fargeo%2Fslc%2Flib%2Flinux%2Frpmfactory%2FRpmSpecFile.java;fp=org.argeo.slc.support%2Fsrc%2Forg%2Fargeo%2Fslc%2Flib%2Flinux%2Frpmfactory%2FRpmSpecFile.java;h=f2486549cd1279a542e1d9b4ca04a8b1b386b2db;hb=b9505fef5ba8186433e903e9de3c73c17bdf6562;hp=0000000000000000000000000000000000000000;hpb=04ef2e4533e909122a560a5cb6499fa62bac82ec;p=gpl%2Fargeo-slc.git

diff --git a/org.argeo.slc.support/src/org/argeo/slc/lib/linux/rpmfactory/RpmSpecFile.java b/org.argeo.slc.support/src/org/argeo/slc/lib/linux/rpmfactory/RpmSpecFile.java
new file mode 100644
index 000000000..f2486549c
--- /dev/null
+++ b/org.argeo.slc.support/src/org/argeo/slc/lib/linux/rpmfactory/RpmSpecFile.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.
+ */
+package org.argeo.slc.lib.linux.rpmfactory;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.io.IOUtils;
+import org.springframework.core.io.Resource;
+
+public class RpmSpecFile {
+	private Resource specFile;
+
+	private String name;
+	private String version;
+	private String release;
+	private Map<String, String> sources = new HashMap<String, String>();
+	private Map<String, String> patches = new HashMap<String, String>();
+
+	public RpmSpecFile(Resource specFile) {
+		this.specFile = specFile;
+		parseSpecFile();
+	}
+
+	public void init() {
+		parseSpecFile();
+	}
+
+	@SuppressWarnings("unchecked")
+	protected void parseSpecFile() {
+		try {
+			List<String> lines = (List<String>) IOUtils.readLines(specFile
+					.getInputStream());
+
+			lines: for (String line : lines) {
+				int indexSemiColon = line.indexOf(':');
+				if (indexSemiColon <= 0)
+					continue lines;
+				String directive = line.substring(0, indexSemiColon).trim();
+				String value = line.substring(indexSemiColon + 1).trim();
+				if ("name".equals(directive.toLowerCase()))
+					name = value;
+				else if ("version".equals(directive.toLowerCase()))
+					version = value;
+				else if ("release".equals(directive.toLowerCase()))
+					release = value;
+				else if (directive.toLowerCase().startsWith("source"))
+					sources.put(directive, interpret(value));
+				else if (directive.toLowerCase().startsWith("patch"))
+					patches.put(directive, interpret(value));
+			}
+
+		} catch (IOException e) {
+			throw new RuntimeException("Cannot parse spec file " + specFile, e);
+		}
+	}
+
+	protected String interpret(String value) {
+		StringBuffer buf = new StringBuffer(value.length());
+		StringBuffer currKey = null;
+		boolean mayBeKey = false;
+		chars: for (char c : value.toCharArray()) {
+			if (c == '%')
+				mayBeKey = true;
+			else if (c == '{') {
+				if (mayBeKey)
+					currKey = new StringBuffer();
+			} else if (c == '}') {
+				if (currKey == null)
+					continue chars;
+				String key = currKey.toString();
+				if ("name".equals(key.toLowerCase()))
+					buf.append(name);
+				else if ("version".equals(key.toLowerCase()))
+					buf.append(version);
+				else
+					buf.append("%{").append(key).append('}');
+				currKey = null;
+			} else {
+				if (currKey != null)
+					currKey.append(c);
+				else
+					buf.append(c);
+			}
+		}
+		return buf.toString();
+	}
+
+	public Resource getSpecFile() {
+		return specFile;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public String getVersion() {
+		return version;
+	}
+
+	public String getRelease() {
+		return release;
+	}
+
+	public Map<String, String> getSources() {
+		return sources;
+	}
+
+	public Map<String, String> getPatches() {
+		return patches;
+	}
+
+}