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litesoft / trunk / Java / InterModuleComm / InterModuleComm / src / InterModuleComm / HelloMessage.java
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package InterModuleComm; import static org.litesoft.util.Utils.*; public final class HelloMessage implements Message { public static final String PREFIX = Constants.PROTOCOL_PREFIX + ModuleMsgLifecycleForm.Hello + Constants.NV_SEP; private String mFromType; private String mId; protected HelloMessage( String pFromType, String pId ) { mFromType = pFromType; mId = pId; } @Override public String toString() { return getHeader(); } public String ToSendText() { return getHeader() + "\n"; } public String getFromType() { return mFromType; } public String getId() { return mId; } public String getHeader() { return PREFIX + getFromType() + Constants.SPECIAL_ID_SEP + getId(); } public static class Builder { private String mFromType; private String mId; public static Builder FromHeader( String pHeader ) { if ( (pHeader != null) && pHeader.startsWith( PREFIX ) ) { String zRest = trimLeadingSpaces( pHeader.substring( PREFIX.length() ) ); int zSepAt = zRest.indexOf( Constants.SPECIAL_ID_SEP ); if ( zSepAt != -1 ) { String zFromType = zRest.substring( 0, zSepAt ).trim(); String zId = zRest.substring( zSepAt + 1 ).trim(); return FromParams( zFromType, zId ); } } return null; } private Builder( String pFromType, String pId ) { mFromType = pFromType; mId = pId; } public static Builder FromParams( String pFromType, String pId ) { pFromType = noEmpty( pFromType ); pId = noEmpty( pId ); if ( isAsciiIdentifier( pFromType ) && isNoSpaceAscii( pId ) ) { return new Builder( pFromType, pId ); } return null; } public HelloMessage ToMsg() { return new HelloMessage( mFromType, mId ); } public String getFromType() { return mFromType; } public String getId() { return mId; } } } |