Merge pull request #92 from Codeforces/temp-dir-parent

temp-dir.parent

Author: MikeMirzayanov

code/src/main/java/com/codeforces/commons/io/internal/UnsafeFileUtil.java

@@ -899,9 +899,15 @@ private static class TempDirHolder {
 
         private static String initializeTempDir() {
             try {
+                String tempDirParent = CommonsPropertiesUtil.getApplicationTempDirParent();
+                if (tempDirParent != null) {
+                    ensureDirectoryExists(new File(tempDirParent));
+                }
+
                 String tempDirName = CommonsPropertiesUtil.getApplicationTempDirName();
 
-                File dir = File.createTempFile(tempDirName, "");
+                File dir = File.createTempFile(tempDirName, "",
+                        tempDirParent == null ? null : new File(tempDirParent));
                 File temp = new File(dir.getParentFile(), tempDirName);
 
                 if (!dir.delete()) {

code/src/main/java/com/codeforces/commons/properties/internal/CommonsPropertiesUtil.java

@@ -1,9 +1,13 @@
 package com.codeforces.commons.properties.internal;
 
 import com.codeforces.commons.properties.PropertiesUtil;
+import com.codeforces.commons.text.StringUtil;
 
+import java.io.File;
 import java.util.List;
 
+import javax.annotation.Nullable;
+
 /**
  * @author Mike Mirzayanov
  * @author Maxim Shipko ([email protected])
@@ -30,6 +34,11 @@ public static String getApplicationTempDirName() {
         return PropertyValuesHolder.TEMP_DIR_NAME;
     }
 
+    @Nullable
+    public static String getApplicationTempDirParent() {
+        return PropertyValuesHolder.TEMP_DIR_PARENT;
+    }
+
     public static List<String> getSecurePasswords() {
         return PropertyValuesHolder.SECURE_PASSWORDS;
     }
@@ -52,6 +61,8 @@ public static String getSubscriptionToken() {
 
     private static final class PropertyValuesHolder {
         private static final String TEMP_DIR_NAME = getProperty("temp-dir.name", "temp");
+        @Nullable
+        private static final String TEMP_DIR_PARENT = StringUtil.trimToNull(getProperty("temp-dir.parent", null));
         private static final List<String> SECURE_PASSWORDS = getListProperty("security.secure-passwords", "");
         private static final List<String> SECURE_HOSTS = getListProperty("security.secure-hosts", "");
         private static final boolean BYPASS_CERTIFICATE_CHECK