Examples of org.apache.commons.configuration2.tree.xpath.ConfigurationNodePointer

Package org.apache.commons.configuration2.tree.xpath

Examples of org.apache.commons.configuration2.tree.xpath.ConfigurationNodePointer

org.apache.commons.configuration2.interpol.ConfigurationInterpolator

A specific {@code NodePointer} implementation for configuration nodes.

This is needed for queries using JXPath.
@since 1.3 @version $Id: ConfigurationNodePointer.java 1624601 2014-09-12 18:04:36Z oheger $ @param < T> the type of the nodes this pointer deals with

                        .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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