org.aoju.bus.office.magic.filter

Class AbstractFilter

java.lang.Object

org.aoju.bus.office.magic.filter.AbstractFilter

All Implemented Interfaces:

FilterChain

Direct Known Subclasses:

DefaultFilter, UnmodifiableFilter

public abstract class AbstractFilter
extends Object
implements FilterChain

过滤器链的基类.

Since:

JDK 1.8+

Version:

5.3.5

Author:

Kimi Liu

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Filter>	filters
protected int	pos

Constructor Summary

Constructors

Constructor and Description
AbstractFilter() 创建一个FilterChain.
AbstractFilter(boolean readOnly, Filter... filters) 创建一个包含指定过滤器的FilterChain.
AbstractFilter(Filter... filters) 创建一个包含指定过滤器的FilterChain.

Method Summary

Modifier and Type	Method and Description
void	addFilter(Filter filter) 向链中添加一个过滤器.
void	doFilter(Context context, com.sun.star.lang.XComponent document) 导致调用链中的下一个过滤器，或者如果调用的过滤器是链中的最后一个过滤器，则不执行任何操作.
protected void	doFilter(Filter filter, Context context, com.sun.star.lang.XComponent document) 导致调用指定的筛选器.
void	reset() 将过滤器链中的位置重置为0，使该链可重用.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.aoju.bus.office.magic.filter.FilterChain

copy

Field Detail

filters

protected List<Filter> filters

pos

protected int pos

Constructor Detail

AbstractFilter

public AbstractFilter()

创建一个FilterChain.

AbstractFilter

public AbstractFilter(Filter... filters)

创建一个包含指定过滤器的FilterChain.

Parameters:

filters - 要添加到链中的过滤器.

AbstractFilter

public AbstractFilter(boolean readOnly,
                      Filter... filters)

创建一个包含指定过滤器的FilterChain.

Parameters:

readOnly - true如果链必须是只读的(这意味着没有其他过滤器可以添加到链中)，false否则.

filters - 最初添加到链中的过滤器.

Method Detail

addFilter

public void addFilter(Filter filter)

Description copied from interface: FilterChain

向链中添加一个过滤器.

Specified by:

addFilter in interface FilterChain

Parameters:

filter - 过滤器添加在链的末端.

doFilter

public void doFilter(Context context,
                     com.sun.star.lang.XComponent document)
              throws InstrumentException

Description copied from interface: FilterChain

导致调用链中的下一个过滤器，或者如果调用的过滤器是链中的最后一个过滤器，则不执行任何操作.

Specified by:

doFilter in interface FilterChain

Parameters:

context - 用于沿链传递的OfficeContext.

document - 被转换为沿链传递的XComponent.

Throws:

InstrumentException - 如果处理过滤器时发生错误.

doFilter

protected void doFilter(Filter filter,
                        Context context,
                        com.sun.star.lang.XComponent document)
                 throws InstrumentException

导致调用指定的筛选器.

Parameters:

filter - 要执行的筛选器.

context - 用于沿链传递的上下文.

document - 被转换为沿链传递的文档.

Throws:

InstrumentException - 如果处理过滤器时发生错误.

reset

public void reset()

将过滤器链中的位置重置为0，使该链可重用.