Repository: struts Updated Branches: refs/heads/feature/locale-aware-converters [created] fe329f502
Defines new interface to implement specialized internal converters Project: http://git-wip-us.apache.org/repos/asf/struts/repo Commit: http://git-wip-us.apache.org/repos/asf/struts/commit/dfb5203e Tree: http://git-wip-us.apache.org/repos/asf/struts/tree/dfb5203e Diff: http://git-wip-us.apache.org/repos/asf/struts/diff/dfb5203e Branch: refs/heads/feature/locale-aware-converters Commit: dfb5203ea7010516ae7aa02889936392a982ab3a Parents: d749bb8 Author: Lukasz Lenart <lukaszlen...@apache.org> Authored: Thu Aug 14 10:39:13 2014 +0200 Committer: Lukasz Lenart <lukaszlen...@apache.org> Committed: Thu Aug 14 10:39:13 2014 +0200 ---------------------------------------------------------------------- .../xwork2/conversion/InternalConverter.java | 12 +++++++ .../xwork2/conversion/InternalConverters.java | 37 ++++++++++++++++++++ 2 files changed, 49 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/struts/blob/dfb5203e/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverter.java ---------------------------------------------------------------------- diff --git a/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverter.java b/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverter.java new file mode 100644 index 0000000..50cf52b --- /dev/null +++ b/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverter.java @@ -0,0 +1,12 @@ +package com.opensymphony.xwork2.conversion; + +/** + * Represents specialized converters which can convert value to given type T + */ +public interface InternalConverter<T> { + + boolean canConvert(Object value); + + T convert(Object value); + +} http://git-wip-us.apache.org/repos/asf/struts/blob/dfb5203e/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverters.java ---------------------------------------------------------------------- diff --git a/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverters.java b/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverters.java new file mode 100644 index 0000000..849e8af --- /dev/null +++ b/xwork-core/src/main/java/com/opensymphony/xwork2/conversion/InternalConverters.java @@ -0,0 +1,37 @@ +package com.opensymphony.xwork2.conversion; + +import java.util.ArrayList; +import java.util.List; + +/** + * Holds reference to all internal converters to simplify lookup and registration + */ +public class InternalConverters<T> { + + private final InternalConverter<T> NO_OP_CONVERTER = new InternalConverter<T>() { + + public boolean canConvert(Object value) { + return false; + } + + public T convert(Object value) { + return null; + } + }; + + private List<InternalConverter<T>> converters = new ArrayList<InternalConverter<T>>(); + + public boolean register(InternalConverter<T> converter) { + return converters.add(converter); + } + + public InternalConverter<T> lookup(Object value) { + for (InternalConverter<T> converter : converters) { + if (converter.canConvert(value)) { + return converter; + } + } + return NO_OP_CONVERTER; + } + +}
