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-rw-r--r--pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/settings/IProfileConstants.java2
-rw-r--r--pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/OgnlUtils.java18
-rw-r--r--pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/TempFileHelper.java121
3 files changed, 140 insertions, 1 deletions
diff --git a/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/settings/IProfileConstants.java b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/settings/IProfileConstants.java
index 2e2ee024..897ced8e 100644
--- a/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/settings/IProfileConstants.java
+++ b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/settings/IProfileConstants.java
@@ -62,4 +62,6 @@ public interface IProfileConstants {
public final static String CFG_DIR = "cfg";
public final static String CFG_FILE = "config.properties";
+ public final static String TMP_DIR = "default.pdfastmp_dir";
+ public final static String TMP_DIR_DEFAULT_VALUE = "pdfastmp";
}
diff --git a/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/OgnlUtils.java b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/OgnlUtils.java
index e98cb124..4afb8932 100644
--- a/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/OgnlUtils.java
+++ b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/OgnlUtils.java
@@ -1,6 +1,9 @@
package at.gv.egiz.pdfas.common.utils;
+import ognl.Ognl;
import ognl.OgnlContext;
+import ognl.OgnlException;
+
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -16,7 +19,20 @@ public class OgnlUtils {
private static final Logger logger = LoggerFactory.getLogger(OgnlUtils.class);
public static String resolvsOgnlExpression(String expression, OgnlContext ctx) {
- // TODO!
+ try {
+ Object value = Ognl.getValue(expression, ctx);
+ String valueString = value.toString();
+ if(valueString.startsWith("[")) {
+ valueString = valueString.substring(1);
+ }
+ if(valueString.endsWith("]")) {
+ valueString = valueString.substring(0, valueString.length() - 1);
+ }
+ return valueString;
+ } catch (OgnlException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
return expression;
}
}
diff --git a/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/TempFileHelper.java b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/TempFileHelper.java
new file mode 100644
index 00000000..611d7a0b
--- /dev/null
+++ b/pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/utils/TempFileHelper.java
@@ -0,0 +1,121 @@
+package at.gv.egiz.pdfas.common.utils;
+
+import java.io.File;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egiz.pdfas.common.settings.IProfileConstants;
+import at.gv.egiz.pdfas.common.settings.ISettings;
+
+
+public class TempFileHelper implements IProfileConstants {
+
+ private static final Logger logger = LoggerFactory.getLogger(TempFileHelper.class);
+
+ private final String tmpFilePrefix = "/tmp/";
+ private static final String tmpFileSuffix = ".tmppdf";
+
+ private String tmpDir = "tmp";
+
+ private MessageDigest messageDigest = null;
+
+ private List<String> tmpFiles = new ArrayList<String>();
+
+ public TempFileHelper(ISettings settings) {
+ initializeMD();
+
+ String myTmpDir = settings.getValue(TMP_DIR);
+ if(myTmpDir != null) {
+ File myTmpDirFile = new File(myTmpDir);
+ if(!myTmpDirFile.isAbsolute()) {
+ // relatives tmp dir
+ myTmpDirFile = new File(settings.getWorkingDirectory() + File.separator + myTmpDir);
+ }
+ tmpDir = myTmpDirFile.getAbsolutePath();
+ } else {
+ tmpDir = settings.getWorkingDirectory() + File.separator + TMP_DIR_DEFAULT_VALUE;
+ }
+
+ logger.info("TempDirHelper for TempDirectory: " + tmpDir);
+
+ createTmpDir();
+ }
+
+ @Override
+ protected void finalize() throws Throwable {
+ this.deleteTmpDir();
+ super.finalize();
+ }
+
+ private void deleteTmpDir() {
+ try {
+ File tmpdir = new File(tmpDir);
+ tmpdir.delete();
+ } catch (Throwable e) {
+ logger.error("Failed to delete temporary directory: " + tmpDir, e);
+ }
+ }
+
+ private void createTmpDir() {
+ try {
+ File tmpdir = new File(tmpDir);
+ tmpdir.mkdirs();
+ } catch (Throwable e) {
+ logger.error("Failed to create temporary directory: " + tmpDir, e);
+ }
+ }
+
+ private void initializeMD() {
+ try {
+ messageDigest = MessageDigest.getInstance("SHA1");
+ return;
+ } catch (NoSuchAlgorithmException e) {
+ logger.warn("SHA1 not available", e);
+ }
+ try {
+ messageDigest = MessageDigest.getInstance("MD5");
+ return;
+ } catch (NoSuchAlgorithmException e) {
+ logger.warn("MD5 not available", e);
+ }
+ throw new RuntimeException("Need at least SHA1 or MD5 Message Digest, none available!");
+ }
+
+
+ public void setTemporaryDirectory(String directory) {
+ tmpDir = directory;
+ createTmpDir();
+ }
+
+ public String getHashedHexString(String str) {
+ byte[] digest = messageDigest.digest(str.getBytes());
+ return StringUtils.bytesToHexString(digest);
+ }
+
+ public String getStaticFilename() {
+ String uuidString = UUID.randomUUID().toString();
+ logger.debug("Generated UUID " + uuidString);
+ String tmpFilename = tmpFilePrefix + getHashedHexString(uuidString) + tmpFileSuffix;
+ logger.info("Temporary filename " + tmpFilename);
+ tmpFiles.add(tmpFilename);
+ return tmpFilename;
+ }
+
+ public void deleteFile(String filename) {
+ try {
+ File tmpFile = new File(filename);
+ if(tmpFile.exists()) {
+ tmpFile.delete();
+ tmpFiles.remove(filename);
+ }
+ } catch (Throwable e) {
+ logger.error("Failed to delete temporary file: " + filename, e);
+ }
+ }
+}