Examples of org.apache.commons.configuration2.io.HomeDirectoryLocationStrategy

Package org.apache.commons.configuration2.io

Examples of org.apache.commons.configuration2.io.HomeDirectoryLocationStrategy

org.apache.commons.configuration2.interpol.ConfigurationInterpolator

A specialized implementation of {@code FileLocationStrategy} which searchesfor files in the user's home directory or another special configurable directory.

This strategy implementation ignores the URL stored in the passed in {@link FileLocator}. It constructs a file path from the configured home directory (which is the user's home directory per default, but can be changed to another path), optionally the base path, and the file name. If the resulting path points to an existing file, its URL is returned.

When constructing an instance it can be configured whether the base path should be taken into account. If this option is set, the base path is appended to the home directory if it is not null. This is useful for instance to select a specific sub directory of the user's home directory. If this option is set to false, the base path is always ignored, and only the file name is evaluated.
@version $Id: HomeDirectoryLocationStrategy.java 1624601 2014-09-12 18:04:36Z oheger $

                        .getConstructor(new Class[] {String.class});
                return ctor.newInstance(new Object[] {value});
            }
            catch (Exception e)
            {
                throw new ConversionException("The value " + value + " can't be converted to a InternetAddress", e);
            }
        }
        else
        {
            throw new ConversionException("The value " + value + " can't be converted to a InternetAddress");
        }
    }

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            {
                return Enum.valueOf(cls, (String) value);
            }
            catch (Exception e)
            {
                throw new ConversionException("The value " + value + " can't be converted to a " + cls.getName());
            }
        }
        else if (value instanceof Number)
        {
            try
            {
                E[] enumConstants = cls.getEnumConstants();
                return enumConstants[((Number) value).intValue()];
            }
            catch (Exception e)
            {
                throw new ConversionException("The value " + value + " can't be converted to a " + cls.getName());
            }
        }
        else
        {
            throw new ConversionException("The value " + value + " can't be converted to a " + cls.getName());
        }
    }

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            {
                return new SimpleDateFormat(format).parse((String) value);
            }
            catch (ParseException e)
            {
                throw new ConversionException("The value " + value + " can't be converted to a Date", e);
            }
        }
        else
        {
            throw new ConversionException("The value " + value + " can't be converted to a Date");
        }
    }

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                calendar.setTime(new SimpleDateFormat(format).parse((String) value));
                return calendar;
            }
            catch (ParseException e)
            {
                throw new ConversionException("The value " + value + " can't be converted to a Calendar", e);
            }
        }
        else
        {
            throw new ConversionException("The value " + value + " can't be converted to a Calendar");
        }
    }

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    {
        parent.addProperty("tablespaces.tablespace.name", "default");
        parent.addProperty("tablespaces.tablespace(-1).name", "test");
        parent.addProperty("tables.table(0).var", "${brackets:x}");


        ConfigurationInterpolator interpolator = parent.getInterpolator();
        interpolator.registerLookup("brackets", new Lookup() {


            public String lookup(String key) {
                return "(" + key + ")";
            }

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     * @param value the value to interpolate
     * @return the value with variables substituted
     */
    protected Object interpolate(Object value)
    {
        ConfigurationInterpolator ci = getInterpolator();
        return (ci != null) ? ci.interpolate(value) : value;
    }

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        boolean success;
        do
        {
            // do this in a loop because the ConfigurationInterpolator
            // instance may be changed by another thread
            ConfigurationInterpolator ciOld = getInterpolator();
            ConfigurationInterpolator ciNew =
                    (ciOld != null) ? ciOld : new ConfigurationInterpolator();
            ciNew.registerLookups(lookups);
            success = interpolator.compareAndSet(ciOld, ciNew);
        } while (!success);
    }

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    public void setDefaultLookups(Collection<? extends Lookup> lookups)
    {
        boolean success;
        do
        {
            ConfigurationInterpolator ciOld = getInterpolator();
            ConfigurationInterpolator ciNew =
                    (ciOld != null) ? ciOld : new ConfigurationInterpolator();
            Lookup confLookup = findConfigurationLookup(ciNew);
            if (confLookup == null)
            {
                confLookup = new ConfigurationLookup(this);
            }
            else
            {
                ciNew.removeDefaultLookup(confLookup);
            }
            ciNew.addDefaultLookups(lookups);
            ciNew.addDefaultLookup(confLookup);
            success = interpolator.compareAndSet(ciOld, ciNew);
        } while (!success);
    }

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    public void setParentInterpolator(ConfigurationInterpolator parent)
    {
        boolean success;
        do
        {
            ConfigurationInterpolator ciOld = getInterpolator();
            ConfigurationInterpolator ciNew =
                    (ciOld != null) ? ciOld : new ConfigurationInterpolator();
            ciNew.setParentInterpolator(parent);
            success = interpolator.compareAndSet(ciOld, ciNew);
        } while (!success);
    }

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     * @since 2.0
     */
    protected void cloneInterpolator(AbstractConfiguration orgConfig)
    {
        interpolator = new AtomicReference<ConfigurationInterpolator>();
        ConfigurationInterpolator orgInterpolator = orgConfig.getInterpolator();
        List<Lookup> defaultLookups = orgInterpolator.getDefaultLookups();
        Lookup lookup = findConfigurationLookup(orgInterpolator, orgConfig);
        if (lookup != null)
        {
            defaultLookups.remove(lookup);
        }


        installInterpolator(orgInterpolator.getLookups(), defaultLookups);
    }

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