[16258] Introduce ITextReplacementService

<?xml version="1.0" encoding="UTF-8"?>

<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.3.0" activate="activate" name="ch.elexis.core.services.TextReplacementService">

   <service>

      <provide interface="ch.elexis.core.services.ITextReplacementService"/>

   </service>

   <reference cardinality="0..n" field="placeholderResolvers" interface="ch.elexis.core.text.ITextPlaceholderResolver" name="placeholderResolvers"/>

   <implementation class="ch.elexis.core.services.TextReplacementService"/>

</scr:component>

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<?xml version="1.0" encoding="UTF-8"?>

<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="ch.elexis.core.services.internal.text.PatientTextPlaceholderResolver">

   <service>

      <provide interface="ch.elexis.core.text.ITextPlaceholderResolver"/>

   </service>

   <implementation class="ch.elexis.core.services.internal.text.PatientTextPlaceholderResolver"/>

</scr:component>

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<?xml version="1.0" encoding="UTF-8"?>

<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" name="ch.elexis.core.services.internal.text.TerminTextPlaceholderResolver">

   <service>

      <provide interface="ch.elexis.core.text.ITextPlaceholderResolver"/>

   </service>

   <implementation class="ch.elexis.core.services.internal.text.TerminTextPlaceholderResolver"/>

</scr:component>

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package ch.elexis.core.services;

import java.util.List;

import java.util.Optional;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.osgi.service.component.annotations.Activate;

import org.osgi.service.component.annotations.Component;

import org.osgi.service.component.annotations.Reference;

import org.osgi.service.component.annotations.ReferenceCardinality;

import ch.elexis.core.text.ITextPlaceholderResolver;

@Component

public class TextReplacementService implements ITextReplacementService {

	@Reference(cardinality = ReferenceCardinality.MULTIPLE)

	private List<ITextPlaceholderResolver> placeholderResolvers;

	private static final String DONT_SHOW_REPLACEMENT_ERRORS = "*";

	public static final String MATCH_TEMPLATE = "\\[[" + DONT_SHOW_REPLACEMENT_ERRORS //$NON-NLS-1$

		+ "]?[-a-zA-ZäöüÄÖÜéàè_ ]+\\.[-a-zA-Z0-9äöüÄÖÜéàè_ ]+\\]";

	private Pattern matchTemplate;

	@Activate

	public void activate(){

		matchTemplate = Pattern.compile(MATCH_TEMPLATE);

	}

	@Override

	public String performReplacement(IContext context, String template){

		Matcher matcher = matchTemplate.matcher(template);

		StringBuffer sb = new StringBuffer();

		while (matcher.find()) {

			String found = matcher.group();

			matcher.appendReplacement(sb,

				Matcher.quoteReplacement((String) replacePlaceholder(context, found)));

		}

		matcher.appendTail(sb);

		return sb.toString();

	}

	private String replacePlaceholder(IContext context, String placeholder){

		String substring = placeholder.substring(1, placeholder.length() - 1);

		String[] split = substring.split("\\.");

		if (split.length > 1) {

			for (ITextPlaceholderResolver resolver : placeholderResolvers) {

				if (resolver.getSupportedType().equalsIgnoreCase(split[0])) {

					Optional<String> result = resolver.replaceByTypeAndAttribute(context,

						substring.substring(split[0].length() + 1));

					if (result.isPresent()) {

						return result.get();

					}

				}

			}

		}

		return "?";

	}

}

package ch.elexis.core.services.internal.text;

import java.util.Arrays;

import java.util.List;

import java.util.Optional;

import java.util.stream.Collectors;

import org.osgi.service.component.annotations.Component;

import ch.elexis.core.interfaces.ILocalizedEnum;

import ch.elexis.core.model.IPatient;

import ch.elexis.core.services.IContext;

import ch.elexis.core.text.ITextPlaceholderResolver;

import ch.elexis.core.text.PlaceholderAttribute;

@Component

public class PatientTextPlaceholderResolver implements ITextPlaceholderResolver {

	@Override

	public String getSupportedType(){

		return "Patient";

	}

	@Override

	public List<PlaceholderAttribute> getSupportedAttributes(){

		return Arrays.asList(PatientAttribute.values()).stream()

			.map(m -> new PlaceholderAttribute(getSupportedType(), m.name(), m.getLocaleText()))

			.collect(Collectors.toList());

	}

	@Override

	public Optional<String> replaceByTypeAndAttribute(IContext context, String attribute){

		IPatient patient = context.getTyped(IPatient.class).orElse(null);

		if (patient != null) {

			return Optional.ofNullable(replace(patient, attribute.toLowerCase()));

		}

		return Optional.empty();

	}

	private String replace(IPatient patient, String lcAttribute){

		PatientAttribute patientAttribut = searchEnum(PatientAttribute.class, lcAttribute);

		switch (patientAttribut) {

		case Name:

			return patient.getLastName();

		case Vorname:

			return patient.getFirstName();

		default:

			break;

		}

		return null;

	}

	private enum PatientAttribute implements ILocalizedEnum {

			Name("Tag des Termins im Format dd.MM.yyyy"), Vorname("Zugehöriger Bereich");

		final String description;

		private PatientAttribute(String description){

			this.description = description;

		}

		@Override

		public String getLocaleText(){

			return description;

		}

	}

}