diff options
Diffstat (limited to 'jeu-test/Lemmini/0.84/src/Tools/Props.java')
| -rw-r--r-- | jeu-test/Lemmini/0.84/src/Tools/Props.java | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/jeu-test/Lemmini/0.84/src/Tools/Props.java b/jeu-test/Lemmini/0.84/src/Tools/Props.java new file mode 100644 index 0000000..7c7d063 --- /dev/null +++ b/jeu-test/Lemmini/0.84/src/Tools/Props.java @@ -0,0 +1,314 @@ +package Tools;
+
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Properties;
+
+/*
+ * Copyright 2009 Volker Oth
+ *
+ * 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.
+ */
+
+/**
+ * Property class to ease use of ini files to save/load properties.
+ *
+ * @author Volker Oth
+ */
+public class Props {
+
+ private final static long serialVersionUID = 0x01;
+
+ /** extended hash to store properties */
+ private final Properties hash;
+ /** header string */
+ private String header;
+
+ /**
+ * Constructor
+ */
+ public Props() {
+ hash = new Properties();
+ header = new String();
+ }
+
+ /**
+ * Set the property file header
+ * @param h String containing Header information
+ */
+ public void setHeader(final String h) {
+ header = h;
+ }
+
+ /**
+ * Clear all properties
+ */
+ public void clear() {
+ hash.clear();
+ }
+
+ /**
+ * Remove key
+ * @param key Name of key
+ */
+ public void remove(final String key) {
+ hash.remove(key);
+ }
+
+ /**
+ * Set string property
+ * @param key Name of the key to set value for
+ * @param value Value to set
+ */
+ public void set(final String key, final String value) {
+ hash.setProperty(key, value);
+ }
+
+ /**
+ * Set integer property
+ * @param key Name of the key to set value for
+ * @param value Value to set
+ */
+ public void set(final String key, final int value) {
+ hash.setProperty(key, String.valueOf(value));
+ }
+
+ /**
+ * Set boolean property
+ * @param key Name of the key to set value for
+ * @param value Value to set
+ */
+ public void set(final String key, final boolean value) {
+ hash.setProperty(key, String.valueOf(value));
+ }
+
+ /**
+ * Set double property
+ * @param key Name of the key to set value for
+ * @param value Value to set
+ */
+ public void set(final String key, final double value) {
+ hash.setProperty(key, String.valueOf(value));
+ }
+
+ /**
+ * Get string property
+ * @param key Name of the key to get value for
+ * @param def Default value in case key is not found
+ * @return Value of key as String
+ */
+ public String get(final String key, final String def) {
+ String s = hash.getProperty(key,def);
+ return removeComment(s);
+ }
+
+ /**
+ * Get integer property
+ * @param key Name of the key to get value for
+ * @param def Default value in case key is not found
+ * @return Value of key as int
+ */
+ public int get(final String key, final int def) {
+ String s = hash.getProperty(key);
+ if (s == null)
+ return def;
+ s = removeComment(s);
+ return parseString(s);
+ }
+
+ /**
+ * Get integer array property
+ * @param key Name of the key to get value for
+ * @param def Default value in case key is not found
+ * @return Value of key as array of int
+ */
+ public int[] get(final String key, final int def[]) {
+ String s = hash.getProperty(key);
+ if (s == null)
+ return def;
+ s = removeComment(s);
+ String members[] = s.split(",");
+ // remove trailing and leading spaces
+ for (int i=0; i<members.length; i++)
+ members[i] = trim(members[i]);
+
+ int ret[];
+ ret = new int[members.length];
+ for (int i=0; i<members.length; i++)
+ ret[i] = parseString(members[i]);
+
+ return ret;
+ }
+
+ /**
+ * Get string array property
+ * @param key Name of the key to get value for
+ * @param def Default value in case key is not found
+ * @return Value of key as array of string
+ */
+ public String[] get(final String key, final String def[]) {
+ String s = hash.getProperty(key);
+ if (s == null)
+ return def;
+ s = removeComment(s);
+ String members[] = s.split(",");
+ // remove trailing and leading spaces
+ for (int i=0; i<members.length; i++)
+ members[i] = trim(members[i]);
+
+ return members;
+ }
+
+ /**
+ * Get boolean property
+ * @param key Name of the key to get value for
+ * @param def Default value in case key is not found
+ * @return Value of key as boolean
+ */
+ public boolean get(final String key, final boolean def) {
+ String s = hash.getProperty(key);
+ if (s == null)
+ return def;
+ s = removeComment(s);
+ return Boolean.valueOf(s).booleanValue();
+ }
+
+ /**
+ * Get double property
+ * @param key Name of the key to get value for
+ * @param def default value in case key is not found
+ * @return value of key as double
+ */
+ public double get(final String key, final double def) {
+ String s = hash.getProperty(key);
+ if (s == null)
+ return def;
+ s = removeComment(s);
+ return Double.valueOf(s).doubleValue();
+ }
+
+ /**
+ * Save property file
+ * @param fname File name of property file
+ * @return True if ok, false if exception occured
+ */
+ public boolean save(final String fname) {
+ try {
+ FileOutputStream f = new FileOutputStream(fname);
+ hash.store(f, header);
+ return true;
+ } catch(FileNotFoundException e) {
+ return false;
+ } catch(IOException e) {
+ return false;
+ }
+ }
+
+ /**
+ * Load property file
+ * @param file File handle of property file
+ * @return True if OK, false if exception occurred
+ */
+ public boolean load(final URL file) {
+ try {
+ InputStream f = file.openStream();
+ hash.load(f);
+ f.close();
+ return true;
+ } catch(FileNotFoundException e) {
+ return false;
+ } catch(IOException e) {
+ return false;
+ }
+ }
+
+ /**
+ * Load property file
+ * @param fname File name of property file
+ * @return True if OK, false if exception occurred
+ */
+ public boolean load(final String fname) {
+ try {
+ FileInputStream f = new FileInputStream(fname);
+ hash.load(f);
+ f.close();
+ return true;
+ } catch(FileNotFoundException e) {
+ return false;
+ } catch(IOException e) {
+ return false;
+ }
+ }
+
+ /**
+ * Parse hex, binary or octal number
+ * @param s String that contains one number
+ * @return Integer value of string
+ */
+ private static int parseString(final String s) {
+ if (s==null || s.length()==0)
+ return -1;
+ if (s.charAt(0) == '0') {
+ if (s.length() == 1)
+ return 0;
+ else if (s.length() > 2 && s.charAt(1) == 'x')
+ return Integer.parseInt(s.substring(2),16); // hex
+ else if (s.charAt(1) == 'b') // binary
+ return Integer.parseInt(s.substring(2),2);
+ else return Integer.parseInt(s.substring(0),8); // octal
+ }
+ int retval;
+ try {
+ retval = Integer.parseInt(s);
+ } catch (NumberFormatException ex) {
+ retval = 0;
+ }
+ return retval;
+ }
+
+ /**
+ * Remove comment from line. Comment character is "#".
+ * Everything behind (including "#") will be removed
+ * @param s String to search for comment
+ * @return String without comment
+ */
+ private String removeComment(final String s) {
+ int pos = s.indexOf('#');
+ if (pos != -1)
+ return s.substring(0,pos);
+ else
+ return s;
+ }
+
+ /**
+ * Remove trailing and leading spaces from a string
+ * @param s String to process
+ * @return String without leading and trailing spaces
+ */
+ private static String trim(final String s) {
+ // search first character that is not a space
+ int spos;
+ for (spos=0; spos<s.length(); spos++)
+ if (s.charAt(spos) != ' ')
+ break;
+ int epos;
+ for (epos=s.length()-1; epos > spos; epos--)
+ if (s.charAt(epos) != ' ')
+ break;
+ return s.substring(spos, epos+1);
+ }
+}
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